using System;

public class Program

{

    public static void Main()

    {

        double x = MyThirdMethod(34, 23, 5.0);

        Console.WriteLine(x);

    }

    public static double MyThirdMethod(double x, double y, double z)

    {

        return x - y + z;

    }

}

    //Fix code by creating MyThirdMethod

​