n = int(input())

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

for i in range(3 ** n):
    a = 0
    b = 0
    c = 0
    for j in range(n):
        if i % 3 == 0:
            a += e[j]
        if i % 3 == 1:
            b += e[j]
        if i % 3 == 2:
            c += e[j]
        i //= 3
    if a == b == c:
        print("Yes")
        exit()

print("No")