#include <iostream>
using namespace std;
int main() {
int n,k,x,suma=0;
cin>>n>>k;
while(n){
cin>>x;
int s=0;
while(x>9){
s=s+x%10;
x=x/10;}
if(k==x)
{
suma=suma+s+x;
}
n--;
}
cout<<suma;
return 0;
}
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