import java.util.*;
import java.lang.*;
import java.io.*;

class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		Scanner in= new Scanner(System.in);

        double a=in.nextDouble();
        double b=in.nextDouble();
        double c=in.nextDouble();
		if (a==0)
		{
			System.out.println("Equation is not square");
		}
		else 
		{
			double D=b*b-4*a*c;
			if(D<=0) System.out.println("Discriminant is not positive");
			else
			{
				double x1=(-b+Math.sqrt(D))/(2*a);
				double x2=(-b-Math.sqrt(D))/(2*a);
				System.out.println(x1);
				System.out.println(x2);
				double	p1=a*x1*x1+b*x1+c;
				double	p2=a*x2*x2+b*x2+c;
				System.out.println(p1);
				System.out.println(p2);
			}
 
	
		}
	}
}