1
n = int(input())
2
 
3
b = set()
4
 
5
for i in range(2):
6
    s = input().split()
7
    k = int(s[0])
8
    for j in range(1, len(s)):
9
        b.add(int(s[j]))
10
 
11
if len(b) == n:
12
    print('I become the guy.')
13
else:
14
    print('Oh, my keyboard!')