kklklklklouiotyrivob

#include <bits/stdc++.h>
using namespace std;
int main(){
long long x,y,z,qpz = 0;
cin >> x >> y >> z;
if(x == 0){
cout<<1;
return 0;
}
qpz = 2 * y + x + 1;
if(qpz >= 5) qpz += 5 * z;
cout<<qpz;

}