#include <iostream>
using namespace std;

int main(){
    int a,b,c,d;
    while(cin >> a >> b???>>c){
        if(a*a+b*b==c*c||b*b+c*c==a*a||c*c+a*a==b*b){
            cout << "YES" << endl;
        }
        else cout << "NO" << endl;
    }
    return 0;
}