题解 | #牛牛的抽奖游戏#

import sys
strs = []
strs_1 = []
strs_2 = []
for line in sys.stdin:
    temp = line.split()
    strs.extend(temp)
for i in strs:
    if i == "3":
        strs_1.extend(i)
        # print(strs_1)
        print("Congratulations!")
    else:

        strs_2.extend(i)
        # print(strs_2)
# print('-'*20)
# print(strs)
# print(strs_1)
# print(strs_2)
if len(strs_1) == 0:
    print("Give up!")