n = int(input())
e = list(map(int, input().split()))

for i in range(3 ** n):
    pa, pb, pc = 0, 0, 0
    for j in range(n):
        if i % 3 == 0:
            pa += e[j]
        elif i % 3 == 1:
            pb += e[j]
        else:
            pc += e[j]
        i //= 3
    if pa == pb == pc:
        print("Yes")
        exit()

print("No")