diff --git a/day23/tests/__init__.py b/day23/tests/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/day24/__init__.py b/day24/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/day24/day24.py b/day24/day24.py
new file mode 100644
index 0000000..be932b5
--- /dev/null
+++ b/day24/day24.py
@@ -0,0 +1,2 @@
+INPUT = "day24/input.txt"
+INPUT_SMALL = "day24/input-small.txt"
diff --git a/day24/input-small.txt b/day24/input-small.txt
new file mode 100644
index 0000000..cbe1492
--- /dev/null
+++ b/day24/input-small.txt
@@ -0,0 +1,5 @@
+19, 13, 30 @ -2,  1, -2
+18, 19, 22 @ -1, -1, -2
+20, 25, 34 @ -2, -2, -4
+12, 31, 28 @ -1, -2, -1
+20, 19, 15 @  1, -5, -3
\ No newline at end of file
diff --git a/day24/lib/__init__.py b/day24/lib/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/day24/lib/classes.py b/day24/lib/classes.py
new file mode 100644
index 0000000..24c5419
--- /dev/null
+++ b/day24/lib/classes.py
@@ -0,0 +1,14 @@
+from dataclasses import dataclass
+
+
+@dataclass(frozen=True)
+class Vector3:
+    x: int
+    y: int
+    z: int
+
+
+@dataclass(frozen=True)
+class Hailstone:
+    position: Vector3
+    trajectory: Vector3
diff --git a/day24/lib/parsers.py b/day24/lib/parsers.py
new file mode 100644
index 0000000..e45f9fa
--- /dev/null
+++ b/day24/lib/parsers.py
@@ -0,0 +1,18 @@
+from day24.lib.classes import Hailstone, Vector3
+
+
+def parse_vector3(line: str) -> Vector3:
+    line = line.strip()
+    x, y, z = line.split(",")
+    return Vector3(int(x), int(y), int(z))
+
+
+def parse_input(filename: str) -> list[Hailstone]:
+    result: list[Hailstone] = []
+    with open(filename, "r", encoding="utf8") as file:
+        for line in file:
+            line = line.strip()
+            left, right = line.split("@")
+            pos, velocity = parse_vector3(left), parse_vector3(right)
+            result.append(Hailstone(pos, velocity))
+    return result
diff --git a/day24/tests/__init__.py b/day24/tests/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/day24/tests/test_parsers.py b/day24/tests/test_parsers.py
new file mode 100644
index 0000000..65a074b
--- /dev/null
+++ b/day24/tests/test_parsers.py
@@ -0,0 +1,26 @@
+from day24.day24 import INPUT_SMALL
+from day24.lib.classes import Hailstone, Vector3
+from day24.lib.parsers import parse_input, parse_vector3
+
+
+def test_vector3() -> None:
+    v1: Vector3 = parse_vector3(" 2, 4, 8")
+    assert v1.x == 2
+    assert v1.y == 4
+    assert v1.z == 8
+
+    v2: Vector3 = parse_vector3("3,5,-107")
+    assert v2.x == 3
+    assert v2.y == 5
+    assert v2.z == -107
+
+
+def test_parser() -> None:
+    hailstones: list[Hailstone] = parse_input(INPUT_SMALL)
+
+    assert len(hailstones) == 5
+    assert hailstones[0].position == Vector3(19, 13, 30)
+    assert hailstones[0].trajectory == Vector3(-2, 1, -2)
+
+    assert hailstones[-1].position == Vector3(20, 19, 15)
+    assert hailstones[-1].trajectory == Vector3(1, -5, -3)