#include <bits/stdc++.h>

#define maxn 105
#define maxm maxn * 10005
//#define maxm 10

using namespace std;

int n;
int f[2][maxm];
int g[2][maxm];
void $(int &a, int b) {
	a = min(2, a + b);
}

int main() {
	scanf("%d", &n);
	int m = 0;
	f[0][0] = 1;
	for (int i = 1; i <= n; i++) {
		int r;
		scanf("%d", &r);
		m += r;
		for (int j = 0; j <= m; j++) {
			if (j >= r) $(g[0][j], f[1][j - r]);
			if (j + r <= m) $(g[0][j], f[0][j + r]);
			
			if (j >= r) $(g[1][j], f[0][j - r]);
			if (j + r <= m) $(g[1][j], f[1][j + r]);
		}
		for (int j = 0; j <= m; j++) {
			f[0][j] = g[0][j];
			f[1][j] = g[1][j];
			g[0][j] = g[1][j] = 0;
//			cout<<f[0][j]<<" "
		}
	}
	if (f[0][0] == 2) puts("Yes");
	else puts("No");
	return 0;
}