```cpp
#include<bits/stdc++.h>
using namespace std;
int chai(long long m,long long tot)
{
long long i,ans=0;
while (m!=0)
{
i=m%10;
m/=10;
if (i==tot) ans++;
}
return ans;
}
int main()
{
long long m,n,i,ans=0;
cin>>m>>n;
for (i=1;i<=m;i++)
ans+=chai(i,n);
cout<<ans<<endl;
return 0;
}
```
by Hanabi_BNUAZ @ 2017-09-16 12:13:54