#include <iostream>

using namespace std;

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

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