#include <iostream>
#include <utility>
#include <vector>
#include <queue>
#include <stack>
#include <array>
#include <algorithm>
#include <numeric>
#include <limits>
#include <string>
#include <regex>
#include <cstdio>
#include <cstring>
#include <cmath>
using namespace std;
using ll = long long;

int main()
{
    int a, b, c;
    cin >> a >> b >> c;
    if (a + b == c || b + c == a || c + a == b) cout << "Yes" << endl;
    else << "No" << endl;
    return 0;
}
