n = int(input())
A = [int(i) for i in input().split()]
sum_A = sum(A)
if sum_A%3:
    print("No")
    exit()
for bit in range(1<<n):
    tmp = 0
    used = []
    for i in range(n):
        if (bit>>i)&1:
            tmp += A[i]
            used.append(i)
    if tmp == sum_A//3:
        a = 0
        for bit in range(1<<n):
            for j in range(n):
                if j in used:break
                if (bit>>j)&1:
                    a += A[j]
        if tmp == a:
            print("Yes")
            exit()
print("No")