#include <bits/stdc++.h>
using namespace std;
int main() {
  ios_base::sync_with_stdio(false);
  cin.tie(0);
  cout.tie(0);
  int n, p, q, temp;
  cin >> n;
  int levels[101] = {0};
  cin >> p;
  for (int i = 0; i < p; i++) {
    cin >> temp;
    levels[temp]++;
  }
  cin >> q;
  for (int i = 0; i < q; i++) {
    cin >> temp;
    levels[temp]++;
  }
  for (int i = 1; i <= n; i++)
    if (levels[i] < 1) {
      cout << "Oh, my keyboard!";
      return 0;
    }
  cout << "I become the guy.";
  return 0;
}
