문제
풀이
#include <iostream>
using namespace std;
void solve(void) {
int r; cin >> r;
int g; cin >> g;
int b; cin >> b;
cout << r * 3 + g * 4 + b * 5;
}
int main(void) {
ios::sync_with_stdio(false);
cin.tie(nullptr);
solve();
return 0;
}