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

int main() {
    double a;
    double b;
    double c;
    double x;
    cin >> a >> b >> c;

        if (a == 0) {
        x = (-1*c/b);
        cout << x << endl;
    }
        else if((b*b - 4*a*c) > 0) {
        x = ( -1*b + sqrt(b*b - 4*a*c) ) / (2 * a);
        cout << x << endl;
        x = ( -1*b - sqrt(b*b - 4*a*c)) / (2 * a);
        cout << x << endl;
    }
        else if((b*b - 4*a*c) == 0) {
        x = -1*b / (2 * a);
        cout << x << endl;
    }
        else if((b*b - 4*a*c) < 0) {
        cout << " " << endl;
    }

        return 0;
    }