//
// Created by User on 09.11.2019.
//

#include <cmath>
#include <iostream>

using namespace std;

int main() {

    float a, b, c, x1, x2, x3;
    cin >> a >> b >> c;
    float D = (b * b) - (4 * a * c);


    if (a == 0 && c == 0 && b != 0)
        cout << endl;
    else if (a == 0 && b == 0 && c != 0)
        cout << endl;
    else if (b == 0 && c == 0 && a != 0)
        cout << endl;
    else if (a == 0 && b == 0 && c == 0)
        cout << endl;
    else if(a != 0 && b != 0 && c == 0){
        x1 = (-b + sqrt(D)) / (2 * a);
        x2 = (-b - sqrt(D)) / (2 * a);
        cout << x1 << " " << x2;
    }

    else if (a == 0 && b != 0 && c != 0) {
        x3 = (-c) / b;
        cout << x3;
    } else if (a != 0 && b != 0 && c != 0) {
        D >= 0;
        x1 = (-b + sqrt(D)) / (2 * a);
        x2 = (-b - sqrt(D)) / (2 * a);
        if (x1 == x2) {
            cout << x1;

        } else if (D < 0) {
            cout << endl;
        } else
            cout << x1 << " " << x2;
    }
    return 0;
}