#include<bits/stdc++.h>
using namespace std;
vector<int>vec;
set<int>st;
int main()
{
    int i,j,n,t,a,b,c;
    string s,s1,s2;
    cin>>a>>b>>c;
    if(a+b==c||a+c==b||b+c==a)
        cout"Yes"<<"\n";
    else
        cout<<"No"<<"\n";
    
    

return 0;
}
