#include <iostream>
#include <algorithm>
using namespace std;

int main(){
	int a[3];
	for(int i = 0; i < 3; i++){
	cin >> a[i] ;
	}

	sort(a, a+3);
	if(a[2]*a[2] == a[0]*a[0] + a[1]*a[1]) cout << "YES" << endl;
	else cout << "NO" << endl;

	return 0;
}