uri 1239.c

#include <stdio.h>
#include <string.h>
int main()
{
    char str[1000],str1[1000];
    int i,j,k,l,n,m;
    while(gets(str))
    {
        k = strlen(str);
        m=0;
        j=0;
        n=0;
        for (i=0; i<k; i++,m++)
        {
            if(str[i] == '*')
            {
                j++;
                if(j%2!= 0)
                {
                    str1[m] = '<';
                    m++;
                    str1[m] = 'b';
                    m++;
                    str1[m] = '>';
                }
                else if(j%2 == 0)
                {
                    str1[m] = '<';
                    m++;
                    str1[m] = '/';
                    m++;
                    str1[m] = 'b';
                    m++;
                    str1[m] = '>';
                }
            }
            else if(str[i] == '_')
            {
                n++;
                if(n%2!= 0)

                {
                    str1[m] = '<';
                    m++;
                    str1[m] = 'i';
                    m++;
                    str1[m] = '>';
                }
                else if(n%2 == 0)
                {
                    str1[m] = '<';
                    m++;
                    str1[m] = '/';
                    m++;
                    str1[m] = 'i';
                    m++;
                    str1[m] = '>';
                }
            }
            else
            {
                str1[m] = str[i];
            }
        }
        for(j=0;j<m;j++)
        {
            printf("%c",str1[j]);
        }
        printf("\n");
    }
    return 0;
}