import java.util.Scanner;

public class Main {
	static String ans = "No";

	public static void main(String[] args) throws Exception {
		Scanner sc = new Scanner(System.in);
		int n = sc.nextInt();
		int[] e = new int[n];
		for (int i = 0; i < n; i++) {
			e[i] = sc.nextInt();
		}
		sc.close();

		dfs(e, 0, new int[n]);
		System.out.println(ans);
	}

	static void dfs(int[] e, int x, int[] g) {
		if (x == e.length) {
			int[] p = new int[3];
			for (int i = 0; i < e.length; i++) {
				p[g[i]] += e[i];
			}
			if (p[0] == p[1] && p[1] == p[2]) {
				ans = "Yes";
			}
			return;
		}

		for (int i = 0; i < 3; i++) {
			g[x] = i;
			dfs(e, x + 1, g);
		}
	}
}