import sys from itertools import product sys.setrecursionlimit(10 ** 7) input = sys.stdin.readline f_inf = float('inf') MOD = 10 ** 9 + 7 def solve(): n = int(input()) E = tuple(map(int, input().split())) for pattern in product(range(3), repeat=n): P1, P2, P3 = [], [], [] for i, p in enumerate(pattern): P1.append(E[i]) if p == 0 else P2.append(E[i]) if p == 1 else P3.append(E[i]) if sum(P1) == sum(P2) == sum(P3): print("Yes") break else: print("No") if __name__ == '__main__': solve()