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.Collections.Generic;
using System;

public class Hello
{
    public static void Main()
    {
        var d = new Dictionary<int, int>();
        var d2 = new Dictionary<int, int>();
        Console.ReadLine();
        string[] line = Console.ReadLine().Trim().Split(' ');
        setDict(d, line);
        Console.ReadLine();
        string[] line2 = Console.ReadLine().Trim().Split(' ');
        setDict(d2, line2);
        Console.WriteLine(compDict(d, d2) ? "YES" : "NO");
    }
    public static bool compDict(Dictionary<int, int> d, Dictionary<int, int> d2)
    {
        foreach (var x in d2)
            if (!d.ContainsKey(x.Key)) return false;
            else if (d[x.Key] < x.Value) return false;
        return true;
    }
    public static void setDict(Dictionary<int, int> d, string[] a)
    {
        for (int i = 0; i < a.Length; i++)
        {
            var w = int.Parse(a[i]);
            if (d.ContainsKey(w)) d[w]++;
            else d[w] = 1;
        }
    }
}