// 	Compute the roots of the quadratic equation
//				 __________
//  x = -b +/- \/ b*b - 4ac
//		-------------------
//			    2a

import java.util.*;

public class Roots {
	public static void main(String[] args) {
		Scanner console = new Scanner(System.in);
		System.out.print("Enter a: ");
		double a = console.nextDouble();
		while (a == 0) {
			System.out.print("Enter a non-zero number: ");
			a = console.nextDouble();
		}
		System.out.print("Enter b: ");
		double b = console.nextDouble();
		System.out.print("Enter c: ");
		double c = console.nextDouble();

		double discriminant = b*b - 4*a*c;
		if (discriminant < 0) {
			System.out.println("No real solution");
		} else {
			System.out.print("The roots are ");
			System.out.print((-b + Math.sqrt(discriminant)) / (2*a));
			System.out.print(" and ");
			System.out.println((-b - Math.sqrt(discriminant)) / (2*a));

		}
	}
}