import java.util.*;

public class Main{
    public static void main(String... args){
        Scanner in = new Scanner(System.in);
        double a = in.nextDouble();
        double b = in.nextDouble();
        double c = in.nextDouble();
        double t = b * b - 4 * a * c;
        if (a == 0.d || t < 0){
            System.out.println("Impossivel calcular");
            return;
        }
        double ans1 = (-b + Math.sqrt(t)) / (2 * a);
        double ans2 = (-b - Math.sqrt(t)) / (2 * a);
        System.out.printf("R1 = %.5f\nR2 = %.5f", ans1, ans2);
        return;
    }
}