using System;

using System.Linq;

using System.Collections.Generic;

public class Program

{

    public static void Main()

    {

        int g = 8; // Overall time available

        int[] array = new int[] {5,3,2,2,2,2};

        int n = array.Length; // Amount of robbers

        List<int> requiredtime = array.OfType<int>().ToList();

        int sum = array.Sum();

        List<int> list1 = new List<int>();

        List<int> list2 = new List<int>();

​

        for(int t=g; t>0; t--){

            string record = ""; // To record successful groups

            int val = 0;

            for (int ra=0; ra<n; ra++){ // Take first number in array (then increment)

                int temp = array[ra];

                record += array[ra]+",";

                for (int rb=0; rb<n; rb++){

                    if (ra != rb && temp + array[rb]<= t) {

                        temp += array[rb]; // Sum with next number in array

                        record += array[rb]+",";

                    }

                }

                if (temp == t){

                    string[] values = record.Split(',');

                    for(int i=0; i<values.Length;i++){

                        int number ;

                        try {

                            number = Int32.Parse(values[i]);

                            list1.Add(number);

                            int ind = requiredtime.IndexOf(number);

                            requiredtime.RemoveAt(ind);

                        } catch (FormatException) {}

                    }

                    val = temp;

                    break;

                }

                record = "";

            }

            if (val == t) {

                break;  

            }

        }

        for(int t=g; t>0; t--){

            string record = ""; // To record successful groups

            int val = 0;

            for (int ra=0; ra<requiredtime.Count; ra++){ // Take first number in array (then increment)

                int temp = requiredtime[ra];

                record += requiredtime[ra]+",";

                for (int rb=0; rb<requiredtime.Count; rb++){

                    if (ra != rb && temp + requiredtime[rb]<= t) {

                        temp += requiredtime[rb]; // Sum with next number in array

                        record += requiredtime[rb]+",";

                    }

                }

                if (temp == t){

                    string[] values = record.Split(',');

                    for(int i=0; i<values.Length;i++){

                        int number ;

                        try {

                            number = Int32.Parse(values[i]);

                            list2.Add(number);

                        } catch (FormatException) {}

                    }

                    val = temp;

                    break;

                }

                record = "";

            }

            if (val == t) {

                break;  

            }

        }

        int sumlist1 = 0;

        int sumlist2 = 0;

        foreach(var item in list1){

            sumlist1 += item;

        }

        foreach(var item in list2){

            sumlist2 += item;

        }

        if (sumlist1+sumlist2==sum){

            Console.WriteLine("YES");

        } else {

            Console.WriteLine("NO");

        }

    }

}