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

answer = False
for in_A in range(1 << n):
    p_A = 0
    for j in range(n):
        if in_A >> j & 1:
            p_A += e[j]
    ex_A = (1 << n) - in_A
    in_B = ex_A
    while in_B > 0:
        p_B = 0
        for j in range(n):
            if in_B >> j & 1:
                p_B += e[j]
        p_C = total_e - p_A - p_B
        if p_A == p_B and p_B == p_C:
            answer = True
            break
        in_B -= 1
        in_B &= ex_A
    if answer:
        break

print("Yes" if answer else "No")