using System;

​

public class OneLine

{

    private static double average(double a, double b, double c)

    {

        double m = (a + b + c) / 3;

        return m;

    }

​

    private static void difference(double a, double b, double c, double m)

    {

        double fa = a - m;

        double fb = b - m;

        double fc = c - m;

        Console.Write("the diffrence between a and average is " + fa + "\n");

        Console.Write("the diffrence between b and average is " + fb + "\n");

        Console.Write("the diffrence between c and average is " + fc + "\n");

    }

​

    public static void Main(String[] args)

    {

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

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

        double c = double.Parse(Console.ReadLine());

        double m = average(a, b , c);

        difference(a, b, c, m);

    }

}