
int main()
{

    char s1[50];
    char s2[50];


    int i,j,k;

    scanf("%s",s1);
    scanf("%s",s2);

    char *p1=s1;
    char *p2=s2;
    char *tt;

    k=0;
    while(*p2!='\0')
    {
       if(*p1!=*p2)
       {
          p1=s1;
          p2=p2-k+1;
          k=0;
       }else {

            p1++;
            p2++;
            k++;
       }
       
       if(*p1=='\0')

           break;
    }
   
    tt=s2;
    printf("%d",p2-s2-strlen(s1));

    return 0;}