#include <bits/stdc++.h>
using namespace std;

int n, t = 0;
int e[12];
bool f = 0;

int main()
{
	cin >> n;
	
	for (int i = 0; i < n; i++) {
		cin >> e[i];
		t += e[i];
	}

	if (t % 3 == 0) {
		sort(e, e + n);

		if (e[n - 1] <= t / 3) {
			for (int i = 1; i < 531441; i++) {
				int u = i, a = t, b = 0, c = 0, j = 0;

				while (u > 0) {
					if (u % 3 == 1) {
						a -= e[j];
						b += e[j];
					}
					else if (u % 3 == 2) {
						a -= e[j];
						c += e[j];
					}

					u /= 3;
					j++;
				}

				if (a == b && a == c) {
					f = 1;
					break;
				}
			}
		}
	}

	if(f)
		cout << "Yes" << endl;
	else
		cout << "No" << endl;
}