#include <bits/stdc++.h>
using namespace std;
int main() {
  int x;
  cin >> x;
  int alist[x];
  for (int i = 0; i < x; i++) alist[i] = 0;
  int s = x;
  x += x - 1;
  int a, b;
  cin >> a;
  for (int i = 0; i < a; i++) {
    int m;
    cin >> m;
    alist[m - 1]++;
  }
  cin >> b;
  for (int i = 0; i < b; i++) {
    int m;
    cin >> m;
    alist[m - 1]++;
  }
  for (int j = 0; j < s; j++) {
    if (alist[j] == 0) {
      cout << "Oh, my keyboard!";
      return 0;
    }
  }
  cout << "I become the guy.";
}
