B - I Wanna Be the Guy

n = int(input())

b = set()

for i in range(2):
    s = input().split()
    k = int(s[0])
    for j in range(1, len(s)):
        b.add(int(s[j]))

if len(b) == n:
    print('I become the guy.')
else:
    print('Oh, my keyboard!')