#!/usr/bin/env python3
import sys, itertools
from math import gcd
input = lambda: sys.stdin.buffer.readline().rstrip().decode('utf-8')
sys.setrecursionlimit(10**8)
inf = float('inf')
ans = count = 0



a, b, c = map(int, input().split())
for i in itertools.permutations([a, b, c], 3):
    if i[0] == sum(i[1:]) or sum(i[:2]) == i[2]:
        print("Yes")
        exit()

print("No")
