#include <bits/stdc++.h>
using namespace std;
const bool multiple_queries = false;
void print() { cout; }
void println() { cout << endl; }
template <class Head, class... Tail>
void print(Head&& head, Tail&&... tail) {
  cout << head;
  if (sizeof...(tail) != 0) cout << " ";
  print(forward<Tail>(tail)...);
}
template <class T>
void print(vector<T>& vs) {
  for (auto v : vs) {
    cout << v;
    if (&v != &vs.back()) cout << " ";
  }
  cout << endl;
}
template <class Head, class... Tail>
void println(Head&& head, Tail&&... tail) {
  cout << head;
  if (sizeof...(tail) != 0) cout << " ";
  println(forward<Tail>(tail)...);
}
template <class T>
void println(vector<T>& vs) {
  for (auto v : vs) cout << v << endl;
}
void solve() {}
void test(long long num = 0, bool verbose = false) {
  for (long long i = 0; i < (max(1LL, num)); ++i) {
    long long t = clock();
    if (verbose)
      cout << "\n#####"
           << " " << i + 1 << " "
           << "#####"
           << " "
           << "\n## Answer ##\n";
    solve();
    if (verbose) {
      cout << "\nElapsed Time:"
           << " " << 1000.0 * (clock() - t) / CLOCKS_PER_SEC << " "
           << "[ms]" << endl;
    }
  }
}
int main(void) {
  ios::sync_with_stdio(false);
  cin.tie(nullptr);
  long long t = 0;
  if (multiple_queries) cin >> t;
  test(t, false);
  return 0;
}
