SubsetOfSum

import java.io.ByteArrayInputStream;
import java.util.Scanner;

public class SubsetOfSumS {
    static boolean subsetSum(int[] set, int index, int sum) {
        if (sum == 0) {
            return true;
        }
        if (sum < 0 || index >= set.length) {
            return false;
        }

        return subsetSum(set, index + 1, sum - set[index]) ||
                subsetSum(set, index + 1, sum);
    }

    static void testInput() {
        String test = "14\n" +
                "2 1 2 4 3 5 2 6";
        System.setIn(new ByteArrayInputStream(test.getBytes()));
    }


    public static void main(String[] args) {
        testInput();
        Scanner scanner = new Scanner(System.in);
        int sum = scanner.nextInt();
        scanner.nextLine();
        String[] setAsString = scanner.nextLine().split(" +");
        int[] set = new int[setAsString.length];
        for (int i = 0; i < set.length; i++) {
            set[i] = Integer.parseInt(setAsString[i]);
        }

        if(subsetSum(set, 0, sum) == true)
        {
            System.out.println("yes");
        }
        else
        {
            System.out.println("no");
        }
    }
}