#include <bits/stdc++.h>
using namespace std;
using namespace std;
int main() {
  ios::sync_with_stdio(0);
  cin.tie(0);
  cout.tie(0);
  ;
  int n, p;
  cin >> n >> p;
  int arr[n];
  for (int i = 0; i < n; ++i) {
    arr[i] = i + 1;
  }
  vector<int> arrx;
  for (int i = 0; i < p; ++i) {
    int x;
    cin >> x;
    arrx.push_back(x);
  }
  int q;
  cin >> q;
  for (int i = 0; i < q; ++i) {
    int x;
    cin >> x;
    arrx.push_back(x);
  }
  for (int i = 0; i < n; ++i) {
    int k = 0;
    for (int j = 0; j < arrx.size(); ++j) {
      if (arrx[j] == arr[i]) {
        k = 1;
        break;
      }
    }
    if (k == 0) {
      cout << "Oh, my keyboard!" << endl;
      return 0;
    }
  }
  cout << "I become the guy." << endl;
}
