There is a game called “I Wanna Be the Guy”, consisting of n levels. Little X and his friend Little Y are addicted to the game. Each of them wants to pass the whole game.
Little X can pass only p levels of the game. And Little Y can pass only q levels of the game. You are given the indices of levels Little X can pass and the indices of levels Little Y can pass. Will Little X and Little Y pass the whole game, if they cooperate each other?
中文翻譯
有一款名為「I Wanna Be the Guy」的遊戲,包含 n 個關卡。小 X 和他的朋友小 Y 都對這個遊戲入迷。他們都希望可以通過整個遊戲。
小 X 只能通過 p 個關卡,而小 Y 只能通過 q 個關卡。你已經知道了小 X 能通過的關卡索引和小 Y 能通過的關卡索引。如果他們互相合作,他們能通過整個遊戲嗎?
輸入
The first line contains a single integer n (1 ≤ n ≤ 100).
The next line contains an integer p (0 ≤ p ≤ n) at first, then follows p distinct integers a1, a2, …, ap (1 ≤ ai ≤ n). These integers denote the indices of levels Little X can pass. The next line contains the levels Little Y can pass in the same format. It’s assumed that levels are numbered from 1 to n.
第一行包含了一個整數 n (1 ≤ n ≤ 100)。
接下來包含了一個整數 p (0 ≤ p ≤ n),以及接下來的 p個獨立整數 a1, a2, …, ap (1 ≤ ai ≤ n)。 這些整數代表著小X可以通過的關卡,接下來一行則是以相同的樣式顯示小Y的。假設關卡的編號從 1 到 n。
輸出
If they can pass all the levels, print “I become the guy.”. If it’s impossible, print “Oh, my keyboard!” (without the quotes).
要是他們可以通過所有關卡,印出 “I become the guy.”。 要是不可能通過的話,則印出 “Oh, my keyboard!” (不需要引號)
範例
輸入
4 3 1 2 3 2 2 4
輸出
I become the guy.
輸入
4 3 1 2 3 2 2 3
輸出
Oh, my keyboard!
筆記
In the first sample, Little X can pass levels [1 2 3], and Little Y can pass level [2 4], so they can pass all the levels both.
int n = int.Parse(Console.ReadLine());
HashSet<string> hSet = new HashSet<string>();
for (int k = 0; k < 2; k++)
{
string[] arr = Console.ReadLine().Split(' ').ToArray();
for (int i = 1; i < arr.Length; i++)
{
hSet.Add(arr[i]);
}
}
Console.WriteLine(hSet.Count == n ? "I become the guy." : "Oh, my keyboard!");
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