diff --git a/.travis.yml b/.travis.yml
index 7c7e14f..386cbfb 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -11,4 +11,4 @@ before_script:
   - composer install
 
 script:
-  - ./vendor/bin/phpunit --coverage-text
\ No newline at end of file
+  - ./bin/phpunit --coverage-text
diff --git a/bin/calc b/bin/calc
new file mode 100755
index 0000000..941f567
--- /dev/null
+++ b/bin/calc
@@ -0,0 +1,11 @@
+#!/usr/bin/env php
+<?php
+
+require_once __DIR__ . '/../vendor/autoload.php';
+
+use SeaPhp\SimpleProject\Command\AddComand;
+use Symfony\Component\Console\Application;
+
+$application = new Application('Jeremy\'s math-doer', '0.0.1-alpha1');
+$application->add(new AddComand());
+$application->run();
diff --git a/composer.json b/composer.json
index 0ed4969..27c55c0 100644
--- a/composer.json
+++ b/composer.json
@@ -9,6 +9,10 @@
             "email": "admin@seaphp.com"
         }
     ],
+    "bin": ["bin/calc"],
+    "config": {
+        "bin-dir": "bin"
+    },
     "autoload": {
         "psr-4": {
             "SeaPhp\\SimpleProject\\": "src/"
@@ -21,5 +25,8 @@
     },
     "require-dev": {
         "phpunit/phpunit": "~4.0"
+    },
+    "require": {
+        "symfony/console": "~2.5"
     }
-}
\ No newline at end of file
+}
diff --git a/composer.lock b/composer.lock
index 0c357c7..c3333e3 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,23 +4,77 @@
         "Read more about it at http://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
         "This file is @generated automatically"
     ],
-    "hash": "f044a389b4e9773ec1f13623d7803f27",
+    "hash": "b39207e852626f6c7205d630051274cc",
     "packages": [
-
+        {
+            "name": "symfony/console",
+            "version": "v2.5.3",
+            "target-dir": "Symfony/Component/Console",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/Console.git",
+                "reference": "cd2d1e4bac2206b337326b0140ff475fe9ad5f63"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/symfony/Console/zipball/cd2d1e4bac2206b337326b0140ff475fe9ad5f63",
+                "reference": "cd2d1e4bac2206b337326b0140ff475fe9ad5f63",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.3.3"
+            },
+            "require-dev": {
+                "psr/log": "~1.0",
+                "symfony/event-dispatcher": "~2.1"
+            },
+            "suggest": {
+                "psr/log": "For using the console logger",
+                "symfony/event-dispatcher": ""
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "2.5-dev"
+                }
+            },
+            "autoload": {
+                "psr-0": {
+                    "Symfony\\Component\\Console\\": ""
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Symfony Community",
+                    "homepage": "http://symfony.com/contributors"
+                },
+                {
+                    "name": "Fabien Potencier",
+                    "email": "fabien@symfony.com"
+                }
+            ],
+            "description": "Symfony Console Component",
+            "homepage": "http://symfony.com",
+            "time": "2014-08-05 09:00:40"
+        }
     ],
     "packages-dev": [
         {
             "name": "ocramius/instantiator",
-            "version": "1.1.1",
+            "version": "1.1.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/Ocramius/Instantiator.git",
-                "reference": "8aa99efa86c51319afc26d23254fe6a8b5a5144a"
+                "reference": "a7abbb5fc9df6e7126af741dd6c140d1a7369435"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/Ocramius/Instantiator/zipball/8aa99efa86c51319afc26d23254fe6a8b5a5144a",
-                "reference": "8aa99efa86c51319afc26d23254fe6a8b5a5144a",
+                "url": "https://api.github.com/repos/Ocramius/Instantiator/zipball/a7abbb5fc9df6e7126af741dd6c140d1a7369435",
+                "reference": "a7abbb5fc9df6e7126af741dd6c140d1a7369435",
                 "shasum": ""
             },
             "require": {
@@ -62,27 +116,27 @@
                 "constructor",
                 "instantiate"
             ],
-            "time": "2014-08-11 23:48:35"
+            "time": "2014-08-14 15:10:55"
         },
         {
             "name": "ocramius/lazy-map",
-            "version": "dev-master",
+            "version": "1.0.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/Ocramius/LazyMap.git",
-                "reference": "5c77102e225d225ae2d74d5f2cc488527834b821"
+                "reference": "7fe3d347f5e618bcea7d39345ff83f3651d8b752"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/Ocramius/LazyMap/zipball/5c77102e225d225ae2d74d5f2cc488527834b821",
-                "reference": "5c77102e225d225ae2d74d5f2cc488527834b821",
+                "url": "https://api.github.com/repos/Ocramius/LazyMap/zipball/7fe3d347f5e618bcea7d39345ff83f3651d8b752",
+                "reference": "7fe3d347f5e618bcea7d39345ff83f3651d8b752",
                 "shasum": ""
             },
             "require": {
                 "php": ">=5.3.3"
             },
             "require-dev": {
-                "athletic/athletic": "~0.1.7",
+                "athletic/athletic": "~0.1.6",
                 "phpmd/phpmd": "1.5.*",
                 "phpunit/phpunit": ">=3.7",
                 "satooshi/php-coveralls": "~0.6",
@@ -120,20 +174,20 @@
                 "map",
                 "service location"
             ],
-            "time": "2014-05-01 22:15:23"
+            "time": "2013-11-09 22:30:54"
         },
         {
             "name": "phpunit/php-code-coverage",
-            "version": "dev-master",
+            "version": "2.0.10",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/php-code-coverage.git",
-                "reference": "3e7a54da59d8d0a5e146933d36620bed07913c3c"
+                "reference": "6d196af48e8c100a3ae881940123e693da5a9217"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/php-code-coverage/zipball/3e7a54da59d8d0a5e146933d36620bed07913c3c",
-                "reference": "3e7a54da59d8d0a5e146933d36620bed07913c3c",
+                "url": "https://api.github.com/repos/sebastianbergmann/php-code-coverage/zipball/6d196af48e8c100a3ae881940123e693da5a9217",
+                "reference": "6d196af48e8c100a3ae881940123e693da5a9217",
                 "shasum": ""
             },
             "require": {
@@ -146,7 +200,7 @@
             },
             "require-dev": {
                 "ext-xdebug": ">=2.1.4",
-                "phpunit/phpunit": "dev-master"
+                "phpunit/phpunit": "~4.0.14"
             },
             "suggest": {
                 "ext-dom": "*",
@@ -156,7 +210,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "3.0.x-dev"
+                    "dev-master": "2.0.x-dev"
                 }
             },
             "autoload": {
@@ -185,7 +239,7 @@
                 "testing",
                 "xunit"
             ],
-            "time": "2014-08-06 09:48:02"
+            "time": "2014-08-06 06:39:42"
         },
         {
             "name": "phpunit/php-file-iterator",
@@ -322,16 +376,16 @@
         },
         {
             "name": "phpunit/php-token-stream",
-            "version": "dev-master",
+            "version": "1.2.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/php-token-stream.git",
-                "reference": "a0802561692c3b2bb0ed972f7ffafbfab068e580"
+                "reference": "ad4e1e23ae01b483c16f600ff1bebec184588e32"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/php-token-stream/zipball/a0802561692c3b2bb0ed972f7ffafbfab068e580",
-                "reference": "a0802561692c3b2bb0ed972f7ffafbfab068e580",
+                "url": "https://api.github.com/repos/sebastianbergmann/php-token-stream/zipball/ad4e1e23ae01b483c16f600ff1bebec184588e32",
+                "reference": "ad4e1e23ae01b483c16f600ff1bebec184588e32",
                 "shasum": ""
             },
             "require": {
@@ -368,20 +422,20 @@
             "keywords": [
                 "tokenizer"
             ],
-            "time": "2014-06-26 07:15:38"
+            "time": "2014-03-03 05:10:30"
         },
         {
             "name": "phpunit/phpunit",
-            "version": "dev-master",
+            "version": "4.2.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/phpunit.git",
-                "reference": "24160a417c6e6a4a99708434bc53d1596be25ea0"
+                "reference": "58db726aa45fe26bca93f692cb3d77e9a46b7830"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/24160a417c6e6a4a99708434bc53d1596be25ea0",
-                "reference": "24160a417c6e6a4a99708434bc53d1596be25ea0",
+                "url": "https://api.github.com/repos/sebastianbergmann/phpunit/zipball/58db726aa45fe26bca93f692cb3d77e9a46b7830",
+                "reference": "58db726aa45fe26bca93f692cb3d77e9a46b7830",
                 "shasum": ""
             },
             "require": {
@@ -391,11 +445,11 @@
                 "ext-reflection": "*",
                 "ext-spl": "*",
                 "php": ">=5.3.3",
-                "phpunit/php-code-coverage": "3.0.*@dev",
+                "phpunit/php-code-coverage": "~2.0",
                 "phpunit/php-file-iterator": "~1.3.1",
                 "phpunit/php-text-template": "~1.2",
                 "phpunit/php-timer": "~1.0.2",
-                "phpunit/phpunit-mock-objects": "2.3.*@dev",
+                "phpunit/phpunit-mock-objects": "~2.2",
                 "sebastian/comparator": "~1.0",
                 "sebastian/diff": "~1.1",
                 "sebastian/environment": "~1.0",
@@ -412,7 +466,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "4.4.x-dev"
+                    "dev-master": "4.2.x-dev"
                 }
             },
             "autoload": {
@@ -442,20 +496,20 @@
                 "testing",
                 "xunit"
             ],
-            "time": "2014-08-12 06:21:34"
+            "time": "2014-08-08 05:13:30"
         },
         {
             "name": "phpunit/phpunit-mock-objects",
-            "version": "dev-master",
+            "version": "2.2.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/phpunit-mock-objects.git",
-                "reference": "bc24fb59e997fc48f7cf8c839fe2beaedc76389b"
+                "reference": "42e589e08bc86e3e9bdf20d385e948347788505b"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/phpunit-mock-objects/zipball/bc24fb59e997fc48f7cf8c839fe2beaedc76389b",
-                "reference": "bc24fb59e997fc48f7cf8c839fe2beaedc76389b",
+                "url": "https://api.github.com/repos/sebastianbergmann/phpunit-mock-objects/zipball/42e589e08bc86e3e9bdf20d385e948347788505b",
+                "reference": "42e589e08bc86e3e9bdf20d385e948347788505b",
                 "shasum": ""
             },
             "require": {
@@ -464,7 +518,7 @@
                 "phpunit/php-text-template": "~1.2"
             },
             "require-dev": {
-                "phpunit/phpunit": "4.3.*@dev"
+                "phpunit/phpunit": "4.2.*@dev"
             },
             "suggest": {
                 "ext-soap": "*"
@@ -472,7 +526,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "2.3.x-dev"
+                    "dev-master": "2.2.x-dev"
                 }
             },
             "autoload": {
@@ -500,20 +554,20 @@
                 "mock",
                 "xunit"
             ],
-            "time": "2014-08-02 13:51:34"
+            "time": "2014-08-02 13:50:58"
         },
         {
             "name": "sebastian/comparator",
-            "version": "dev-master",
+            "version": "1.0.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/comparator.git",
-                "reference": "e54a01c0da1b87db3c5a3c4c5277ddf331da4aef"
+                "reference": "f7069ee51fa9fb6c038e16a9d0e3439f5449dcf2"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/comparator/zipball/e54a01c0da1b87db3c5a3c4c5277ddf331da4aef",
-                "reference": "e54a01c0da1b87db3c5a3c4c5277ddf331da4aef",
+                "url": "https://api.github.com/repos/sebastianbergmann/comparator/zipball/f7069ee51fa9fb6c038e16a9d0e3439f5449dcf2",
+                "reference": "f7069ee51fa9fb6c038e16a9d0e3439f5449dcf2",
                 "shasum": ""
             },
             "require": {
@@ -565,32 +619,29 @@
                 "compare",
                 "equality"
             ],
-            "time": "2014-05-11 23:00:21"
+            "time": "2014-05-02 07:05:58"
         },
         {
             "name": "sebastian/diff",
-            "version": "dev-master",
+            "version": "1.1.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/diff.git",
-                "reference": "2bbf893712032f479b11afd9f3af68abb552aff7"
+                "reference": "1e091702a5a38e6b4c1ba9ca816e3dd343df2e2d"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/diff/zipball/2bbf893712032f479b11afd9f3af68abb552aff7",
-                "reference": "2bbf893712032f479b11afd9f3af68abb552aff7",
+                "url": "https://api.github.com/repos/sebastianbergmann/diff/zipball/1e091702a5a38e6b4c1ba9ca816e3dd343df2e2d",
+                "reference": "1e091702a5a38e6b4c1ba9ca816e3dd343df2e2d",
                 "shasum": ""
             },
             "require": {
                 "php": ">=5.3.3"
             },
-            "require-dev": {
-                "phpunit/phpunit": "~4.2"
-            },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.2-dev"
+                    "dev-master": "1.1-dev"
                 }
             },
             "autoload": {
@@ -604,12 +655,13 @@
             ],
             "authors": [
                 {
-                    "name": "Kore Nordmann",
-                    "email": "mail@kore-nordmann.de"
+                    "name": "Sebastian Bergmann",
+                    "email": "sebastian@phpunit.de",
+                    "role": "lead"
                 },
                 {
-                    "name": "Sebastian Bergmann",
-                    "email": "sebastian@phpunit.de"
+                    "name": "Kore Nordmann",
+                    "email": "mail@kore-nordmann.de"
                 }
             ],
             "description": "Diff implementation",
@@ -617,27 +669,27 @@
             "keywords": [
                 "diff"
             ],
-            "time": "2014-08-10 08:30:31"
+            "time": "2013-08-03 16:46:33"
         },
         {
             "name": "sebastian/environment",
-            "version": "dev-master",
+            "version": "1.0.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/environment.git",
-                "reference": "10c7467da0622f7848cc5cadc0828c3359254df4"
+                "reference": "79517609ec01139cd7e9fded0dd7ce08c952ef6a"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/environment/zipball/10c7467da0622f7848cc5cadc0828c3359254df4",
-                "reference": "10c7467da0622f7848cc5cadc0828c3359254df4",
+                "url": "https://api.github.com/repos/sebastianbergmann/environment/zipball/79517609ec01139cd7e9fded0dd7ce08c952ef6a",
+                "reference": "79517609ec01139cd7e9fded0dd7ce08c952ef6a",
                 "shasum": ""
             },
             "require": {
                 "php": ">=5.3.3"
             },
             "require-dev": {
-                "phpunit/phpunit": "~4.0"
+                "phpunit/phpunit": "4.0.*@dev"
             },
             "type": "library",
             "extra": {
@@ -668,27 +720,27 @@
                 "environment",
                 "hhvm"
             ],
-            "time": "2014-05-04 17:56:05"
+            "time": "2014-02-18 16:17:19"
         },
         {
             "name": "sebastian/exporter",
-            "version": "dev-master",
+            "version": "1.0.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/sebastianbergmann/exporter.git",
-                "reference": "eb54a69388e5b7ea48561a65588f067fdda0c886"
+                "reference": "1f9a98e6f5dfe0524cb8c6166f7c82f3e9ae1529"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/exporter/zipball/eb54a69388e5b7ea48561a65588f067fdda0c886",
-                "reference": "eb54a69388e5b7ea48561a65588f067fdda0c886",
+                "url": "https://api.github.com/repos/sebastianbergmann/exporter/zipball/1f9a98e6f5dfe0524cb8c6166f7c82f3e9ae1529",
+                "reference": "1f9a98e6f5dfe0524cb8c6166f7c82f3e9ae1529",
                 "shasum": ""
             },
             "require": {
                 "php": ">=5.3.3"
             },
             "require-dev": {
-                "phpunit/phpunit": "~4.0"
+                "phpunit/phpunit": "4.0.*@dev"
             },
             "type": "library",
             "extra": {
@@ -735,7 +787,7 @@
                 "export",
                 "exporter"
             ],
-            "time": "2014-05-05 08:31:02"
+            "time": "2014-02-16 08:26:31"
         },
         {
             "name": "sebastian/version",
@@ -774,17 +826,17 @@
         },
         {
             "name": "symfony/yaml",
-            "version": "dev-master",
+            "version": "v2.5.3",
             "target-dir": "Symfony/Component/Yaml",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/Yaml.git",
-                "reference": "d84b97a12046b2c34e8457626b9f2b72dec0c183"
+                "reference": "5a75366ae9ca8b4792cd0083e4ca4dff9fe96f1f"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/Yaml/zipball/d84b97a12046b2c34e8457626b9f2b72dec0c183",
-                "reference": "d84b97a12046b2c34e8457626b9f2b72dec0c183",
+                "url": "https://api.github.com/repos/symfony/Yaml/zipball/5a75366ae9ca8b4792cd0083e4ca4dff9fe96f1f",
+                "reference": "5a75366ae9ca8b4792cd0083e4ca4dff9fe96f1f",
                 "shasum": ""
             },
             "require": {
@@ -793,7 +845,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "2.6-dev"
+                    "dev-master": "2.5-dev"
                 }
             },
             "autoload": {
@@ -817,13 +869,13 @@
             ],
             "description": "Symfony Yaml Component",
             "homepage": "http://symfony.com",
-            "time": "2014-08-05 09:07:51"
+            "time": "2014-08-05 09:00:40"
         }
     ],
     "aliases": [
 
     ],
-    "minimum-stability": "dev",
+    "minimum-stability": "stable",
     "stability-flags": [
 
     ],
diff --git a/src/Command/AddComand.php b/src/Command/AddComand.php
new file mode 100644
index 0000000..78cae69
--- /dev/null
+++ b/src/Command/AddComand.php
@@ -0,0 +1,37 @@
+<?php
+
+namespace SeaPhp\SimpleProject\Command;
+
+use SeaPhp\SimpleProject\Calculator;
+use Symfony\Component\Console\Command\Command;
+use Symfony\Component\Console\Input\InputArgument;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Input\InputOption;
+use Symfony\Component\Console\Output\OutputInterface;
+
+class AddComand extends Command {
+
+  protected function configure() {
+    $this
+      ->setName('add')
+      ->setDescription('Add numbers')
+      ->addArgument(
+        'number', InputArgument::IS_ARRAY, 'A number to add.'
+      )
+    ;
+  }
+
+  protected function execute(InputInterface $input, OutputInterface $output) {
+    if ($numbers = $input->getArgument('number')) {
+      $calc = new Calculator(0);
+      foreach ($numbers as $number) {
+        $calc->add($number);
+      }
+      $output->writeln($calc->getResult());
+    }
+    else {
+      $output->writeln('No numbers to add.');
+    }
+  }
+
+}