#include <bits/stdc++.h>
using namespace std;
int main() {
  int N;
  cin >> N;
  if (N % 2 == 1) {
    cout << N / 2 + 1;
  } else {
    cout << N / 2;
  }
  cout << "こんにちは" << endl << "AtCoder" << endl;
}
