# | Submission time | Handle | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
622666 | 2022-08-04T13:12:40 Z | KK_1729 | Utrka (COCI14_utrka) | Python 3 | 0 ms | 0 KB |
n = int(input()) o = {} for _ in range(n): a = input() if o.get(a):o[a] += 1 else: o[a] = 1 for _ in range(n-1): a = input() o[a] -= 1 for key, value in o.items(): if value:print(key)