Untitled

#include <iostream>
using namespace std;

int main()
{
    float x;
    cin >> x;
    float y;
    cin >> y;
    float c;
    cin >> c;
    float result;
    float d;
    d = y * y - 4 * x * c;
    if (d > 0)cout << '2';
    else if (d == 0)cout << '1';
    else cout << '0';
}