/******************************************************************************
Welcome to GDB Online.
GDB online is an online compiler and debugger tool for C, C++, Python, PHP, Ruby,
C#, VB, Perl, Swift, Prolog, Javascript, Pascal, HTML, CSS, JS
Code, Compile, Run and Debug online from anywhere in world.
*******************************************************************************/
#include <iostream>
using namespace std;
int main()
{int m,n,rem;
int sum=0;
cin>>m>>n;
while(m!=0){
rem=m%10;
if(rem==n){
sum=sum+1;
}
m=m/10;
if(m==0){
cout<<sum;
}
}
return 0;
}
