from itertools import product

N = int(input())
E = list(map(int, input().split()))
ans = 0
for p in product([0, 1, 2], repeat = N):
	c = [0] * 3
	for i in range(N):
		c[p[i]] += E[i]
	if len(set(c)) == 1:
		ans += 1
print("Yes" if ans > 0 else "No")