#include<bits/stdc++.h>
using namespace std;
int main(){
int n;
cin>>n;
string s;
cin>>s;
int c=0;
for(int i=0;i<n;i++){
if(s[i]=='8') c++;
}
if((n/11)>c) cout<< c <<endl;
else if((n/11)<c) cout<< n/11 <<endl;
else cout<< c <<endl;
}
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510A - Fox And Snake | 1520B - Ordinary Numbers |
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