Problem:
Score : 200 points

Problem Statement

Rng is preparing a problem set for a qualification round of CODEFESTIVAL.

He has N candidates of problems. The difficulty of the i-th candidate is D_i.

There must be M problems in the problem set, and the difficulty of the i-th problem must be T_i. Here, one candidate of a problem cannot be used as multiple problems.

Determine whether Rng can complete the problem set without creating new candidates of problems.

Constraints

1 \leq N \leq 200,000

1 \leq D_i \leq 10^9

1 \leq M \leq 200,000

1 \leq T_i \leq 10^9

All numbers in the input are integers.

Partial Score

100 points will be awarded for passing the test set satisfying N \leq 100 and M \leq 100.

Input

Input is given from Standard Input in the following format:

N
D_1 D_2 ... D_N
M
T_1 T_2 ... T_M

Output

Print YES if Rng can complete the problem set without creating new candidates of problems; print NO if he cannot.

Sample Input 1

5
3 1 4 1 5
3
5 4 3

Sample Output 1

YES

Sample Input 2

7
100 200 500 700 1200 1600 2000
6
100 200 500 700 1600 1600

Sample Output 2

NO

Not enough 1600s.

Sample Input 3

1
800
5
100 100 100 100 100

Sample Output 3

NO

Sample Input 4

15
1 2 2 3 3 3 4 4 4 4 5 5 5 5 5
9
5 4 3 2 1 2 3 4 5

Sample Output 4

YES

Solution in C# (Mono 4.6.2.0) (judge verdict: Accepted)

using System;
using System.Linq;
using System.Collections.Generic;

class Hello
{
    public static void Main()
    {
        var n = int.Parse(Console.ReadLine());
        var d = Console.ReadLine().Split().Select(int.Parse).ToArray();
        var dic = new Dictionary<int, int>();
        for (int i = 0; i < n; i++)
        {
            if(dic.ContainsKey(d[i]))
            {

            dic[d[i]] = dic[d[i]] + 1;
            }
            else
            {
                dic.Add(d[i], 1);
            }
        }
        var m = int.Parse(Console.ReadLine());
        var t = Console.ReadLine().Split().Select(int.Parse).ToArray();        

        foreach (var item in t)
        {
            if(dic.ContainsKey(item) && dic[item] > 0)
            {
                dic[item]--;
                if(dic[item]==0)
                {
                    dic.Remove(item);
                }
            }
            else
            {
                Console.WriteLine("NO");
                return;
            }
        }
        Console.WriteLine("YES");
    }
    
}