// Page 066

import java.util.Scanner;

class Prog_5_5
{
	public static void main(String[] args)
	{
			Scanner input = new Scanner (System.in);
			int a,b,c;
			double x,y;
			a = input.nextInt();
			b = input.nextInt();
			c = input.nextInt();
			double disc = b*b - 4.0 * a * c;
			if ( disc > 0 )
			{
			         x=(-b+Math.sqrt(disc))/(2.0*a);
			         y=(-b-Math.sqrt(disc))/(2.0*a);
			         System.out.println("The roots are: "+  x + ",  " + y);
			}
			else if ( disc==0 )
			{        x=(-b+Math.sqrt(disc))/(2.0*a);
			         System.out.println("The root is: "+ x);
			}
			else
			         System.out.println("No root.");
	}
}