TLE

#include<iostream>
#include<cstdio>
#include<cstring>
#include<map>
#include<cmath>
#include<queue>
#include<algorithm>
#include<vector>
using namespace std;
long long n,m,ans=0,a;
int main()
{
	cin>>n>>m;
	for(int i=1;i<=n;i++)
	{
		
		while(i)
		{
			a=i%10;
			if(a==m)
			{
				ans++;
				a=0;
				continue;
			}
			i=i/10;
		}
	}
	cout<<ans;
  return 0;
}