from itertools import product L = list(map(int, input().split())) x = int(input()) for P in product(range(3), repeat=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): Q.append(bitc % 3 - 1) bitc //= 3 res = 0 for i in range(3): res += Q[i] * LL[i] if abs(res) == x: print("Yes") exit() print("No")