Untitled

//домашка 1
#include <iostream>
using namespace std;
int main()
{
    int a, b, c;
    cin >> a >> b >> c;
    if (a == b + c || b == a + c || c == a + b)
    {
        cout << "Yes.";
    }
    else
    {
        cout << "No.";
    }
    return 0;
}