#include<bits/stdc++.h> using namespace std; int main(){ int a,b=0,c; cin>>a; b=b+a; cin>>a; b=b+a; cin>>a; b=b+a; cin>>a; b=b+a; cin>>a; b=b+a; cin>>a; b=b+a; cin>>a; b=b+a; c=b/8; return 0; }