import java.io.*;
import java.util.*;

public class Main {
    public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner();
        int n = sc.nextInt();
        int[] dp = new int[1 << n];
        int total = 0;
        for (int i = 0; i < n; i++) {
            dp[1 << i] = sc.nextInt();
            total += dp[1 << i];
        }
        if (total % 3 != 0) {
            System.out.println("No");
            return;
        }
        HashSet<Integer> set = new HashSet<>();
        for (int i = 1; i < (1 << n); i++) {
            for (int j = 0; j < n; j++) {
                if ((i & (1 << j)) != 0) {
                    dp[i] = dp[1 << j] + dp[i ^ (1 << j)];
                    break;
                }
            }
            if (dp[i] * 3 == total) {
                set.add(i);
            }
        }
        for (int x : set) {
            for (int y : set) {
                if ((x & y) != 0) {
                    continue;
                }
                if (set.contains(((1 << n) - 1) ^ x ^ y)) {
                    System.out.println("Yes");
                    return;
                }
            }
        }
        System.out.println("No");
    }
}
class Scanner {
    BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
    StringTokenizer st = new StringTokenizer("");
    
    public Scanner() throws Exception {
        
    }
    
    public int nextInt() throws Exception {
        return Integer.parseInt(next());
    }
    
    public long nextLong() throws Exception {
        return Long.parseLong(next());
    }
    
    public String next() throws Exception {
        if (!st.hasMoreTokens()) {
            st = new StringTokenizer(br.readLine());
        }
        return st.nextToken();
    }
}