using System;

public class Program

{

    public static void Main()

    {

        var b = double.Parse(Console.ReadLine());

        var D = double.Parse(Console.ReadLine());

        var a = double.Parse(Console.ReadLine());

        var x1 = (- b + Math.Sqrt(D)) / 2*a;

        var x2 = (- b - Math.Sqrt(D))/2*a;

        Console.WriteLine(x1 + ", " + x2);

    }

}