Untitled

#include <iostream>
using namespace std;
int main()
{
	int a, b, c;
	cin >> a >> b >> c;
	int d = b * b - 4 * a * c;
	if (d == 0) cout << "1";
	if (d > 0) cout << "2";
	if (d < 0) cout << "no";
}