import math, sys

N = int(input())
E = list(map(int, input().split()))

if sum(E) % 3:
    print('No')
    sys.exit()



for bit in range(2**N):
    A, B, C = [], [], []
    rest = []
    for i in range(N):
        if (bit >> i) & 1:
            A.append(E[i])
        else:
            rest.append(E[i])
    if sum(A) == sum(E) // 3:
        for bit in range(2**len(rest)):
            for j in range(len(rest)):
                if (bit >> j) & 1:
                    B.append(rest[j])
                else:
                    C.append(rest[j])
            if sum(B) == sum(C):
                print('Yes')
                sys.exit()
print('No')