문제

링크

풀이

#include <algorithm>
#include <iostream>
using namespace std;
 
void solve(void) {
  long long n, m; cin >> n >> m;
  long long t, s; cin >> t >> s;
 
  long long a = (n - 1) / 8;
  long long b = (m - 1) / 8;
  long long c = n + a * s;
  long long d = m + b * s + t + 2 * b * t;
 
  cout << (c < d ? "Zip" : "Dok") << "\n" << min(c, d);
}
 
int main(void) {
  ios::sync_with_stdio(false);
  cin.tie(nullptr);
 
  solve();
  return 0;
}