#include <stdio.h>
#include <stdlib.h>

int main()
{
    int n, m, d, c = 0;
    scanf("%d", &n);
    scanf("%d", &m);

    while(n > 0)
    {
        if (n % 10 == m)
            c++;
        n = n/ 10;

    }
    printf("%d", c);




    return 0;
}