import java.util.*;

class quadFormula
{
    static Scanner input = new Scanner(System.in); // Quadratic Formula
	public static void main(String[] args)
	{
		String contYorN = "Y";
		
		while (contYorN.equalsIgnoreCase("y"))
		{	
			
			System.out.println("This program will calculate the roots for a quadratic equation");
			System.out.print("Please input the constants in the following order(without the commas)' a, b, c ' .\nUse the following as a 	reference : ax^2 +bx+c = 0");
			System.out.print(":");
			double a = input.nextDouble();
			double b = input.nextDouble();
			double c = input.nextDouble();
			double discrim = Math.pow(b,2)-(4*a*c);	
				if (discrim < 0)
				{ 
					System.out.println("There are not any real roots");
					System.exit(0);
				} 
				else
				{
					double rt1 =(int)((-b + Math.pow(discrim,.5))*1000)/(1000.0*2*a); // root 1
					double rt2 =(int)((-b - Math.pow(discrim,.5))*1000)/(1000.0*2*a); // root 2 
					System.out.println("The real roots are " +rt1 + " " +rt2);
				}
			
			System.out.print("\nWould you like to use this program again? Please type 'y' or 'n' : ");
			contYorN = input.nextLine();// Trying to make this program loop. 
			

	
		}	
	
	
	}

}