#include <stdio.h>

int main()
{
	int i, N, E[13], bit[13];
	scanf("%d", &N);
	for (i = 0; i < N; i++) scanf("%d", &(E[i]));
	for (i = 1, bit[0] = 1; i <= 12; i++) bit[i] = bit[i-1] * 3;

	int j, k, sum[3];
	for (k = 0; k < bit[N]; k++) {
		for (i = 0; i < 3; i++) sum[i] = 0;
		for (i = 0; i < N; i++) sum[k/bit[i]%bit[1]] += E[i];
		if (sum[0] == sum[1] && sum[1] == sum[2]) break;
	}
	if (k == bit[N]) printf("No\n");
	else printf("Yes\n");
	fflush(stdout);
	return 0;
}