/* Using IO streams instead of programmer defined Keyboard class 
*  
*  Determines the roots of a quadratic equation.
*/

import java.io.*;

class Quadratic1
{
   public static void main (String[] args) throws IOException
   {
      InputStreamReader s = new InputStreamReader(System.in);
      BufferedReader t = new BufferedReader(s);

      int a, b, c;          // ax^2 + bx + c

      String str1, str2, str3;

      System.out.print ("Enter the coefficient of x squared: ");
      str1 = t.readLine();
      a = Integer.parseInt(str1);

      System.out.print ("Enter the coefficient of x: ");
      str2 = t.readLine();
      b = Integer.parseInt(str2);

      System.out.print ("Enter the constant: ");
      str3 = t.readLine();
      c = Integer.parseInt(str3);

      // Use the quadratic formula to compute the roots.
      // Assumes a positive discriminant.
      double discriminant = Math.pow(b, 2) - (4 * a * c);
      double root1 = ((-1 * b) + Math.sqrt(discriminant)) / (2 * a);
      double root2 = ((-1 * b) - Math.sqrt(discriminant)) / (2 * a);

      System.out.println ("Root #1: " + root1);
      System.out.println ("Root #2: " + root2);
   }
}