Biva_debug_2

#include <stdio.h>
#include<string.h>
int main()
{
   int c = 0, count = 1;
   char s[100];

   printf("Input:\n");
   gets(s);

   while (s[c] != '\0') {
      if (s[c] == 'a' || s[c] == 'A' || s[c] == 'e' || s[c] == 'E' || s[c] == 'i' || s[c] == 'I' || s[c] =='o' || s[c]=='O' || s[c] == 'u' || s[c] == 'U'){
         s[c]=count+'0';
         count++;
      }
      c++;
   }

   printf("%s\n", s);

   return 0;
}