#!/usr/bin/env python3
import sys

YES = "Yes"  # type: str
NO = "No"  # type: str

def solve(a: int, b: int, c: int):
    s = (a + b + c) // 2

    if s in [a, b, c]:
        print('Yes')
    else:
        print('No')
    return


# Generated by 1.1.4 https://github.com/kyuridenamida/atcoder-tools  (tips: You use the default template now. You can remove this line by using your custom template)
def main():
    def iterate_tokens():
        for line in sys.stdin:
            for word in line.split():
                yield word
    tokens = iterate_tokens()
    a = int(next(tokens))  # type: int
    b = int(next(tokens))  # type: int
    c = int(next(tokens))  # type: int
    solve(a, b, c)

if __name__ == '__main__':
    main()
