#include <iostream>
using namespace std;


int main() {

	int y = 0, a = 0, b = 0, c = 0, x = 0;

	cout << "Unesite redom varijable x, a, b , c: ";
	cin >> x >> a >> b >> c;

	y = a * x * x + b * x + c;
	cout << "Y = " << y << endl;
	system("pause>0");
	return 0;
}