from itertools import permutations

L = list(map(int, input().split()))
x = int(input())

for P in permutations(range(3)):
    LL = []
    for i in range(3):
        LL.append(L[P[i]])
    for bit in range(3**3):
        Q = []
        bitc = bit
        for i in range(3):
            if bitc % 3 == 0:
                Q.append(0)
            elif bitc % 3 == 1:
                Q.append(1)
            else:
                Q.append(-1)
            bitc //= 3
        res = 0
        for i in range(3):
            res += Q[i] * LL[i]
            res = abs(res)
        if abs(res) == x:
            print("Yes")
            exit()
print("No")