#include <bits/stdc++.h>
using namespace std;
#define REP(i,n) for (int i=0;i<(n);i++)
//#define int long long  
int main(){
    int s[3];
    cin >> s[0] >> s[1] >> s[2];
    sort(s,s+3);
    if(s[0]+s[1]==s[2]){
        cout << "Yes" << endl;
    }else{
        cout << "No" >> endl;
    }
	return 0;
}
