#include <iostream>
using namespace std;

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