#include <iostream>
#include <vector>
#include <algorithm>
#include <string>
using namespace std;
int main(void){
    // Your
    int a,b,c, max;
    cin >> a >> b >> c;
    
    max = max(a,(b,c));
    min = (a+b+c)-max; 
    
    
    if(max = min){
        cout <<"Yes" << endl;
    }
    else
    {
        cout << "No" << endl;
    }
}
