Fish Weight

1000ms

262144K

Description:

It is known that there are k fish species in the polar ocean, numbered from 1 to k. They are sorted by non-decreasing order of their weight, which is a positive number. Let the weight of the i-th type of fish be w_i, then 0 < w₁ ≤ w₂ ≤ ... ≤ w_k holds.

Polar bears Alice and Bob each have caught some fish, and they are guessing who has the larger sum of weight of the fish he/she's caught. Given the type of the fish they've caught, determine whether it is possible that the fish caught by Alice has a strictly larger total weight than Bob's. In other words, does there exist a sequence of weights w_i (not necessary integers), such that the fish caught by Alice has a strictly larger total weight?

Input:

The first line contains three integers n, m, k (1 ≤ n, m ≤ 10⁵, 1 ≤ k ≤ 10⁹) — the number of fish caught by Alice and Bob respectively, and the number of fish species.

The second line contains n integers each from 1 to k, the list of fish type caught by Alice. The third line contains m integers each from 1 to k, the list of fish type caught by Bob.

Note that one may have caught more than one fish for a same species.

Output:

Output "YES" (without quotes) if it is possible, and "NO" (without quotes) otherwise.

Sample Input:

3 3 3
2 2 2
1 1 3

Sample Output:

YES

Sample Input:

4 7 9
5 2 7 3
3 5 2 7 3 8 7

Sample Output:

NO

Note:

In the first sample, if w₁ = 1, w₂ = 2, w₃ = 2.5, then Alice has a total of 2 + 2 + 2 = 6 weight units, while Bob only has 1 + 1 + 2.5 = 4.5.

In the second sample, the fish that Alice caught is a subset of Bob's. Therefore, the total weight of Bob’s fish is always not less than the total weight of Alice’s fish.

Informação

Provedor Codeforces

Código CF297B