public static void Main()
Console.WriteLine("Hi! Please give me a number");
x = int.Parse(Console.ReadLine());
Console.WriteLine("Give me another different number");
y = int.Parse(Console.ReadLine());
Console.WriteLine("Give me another different number");
z = int.Parse(Console.ReadLine());
if(x == y || y == z || x == z)
Console.WriteLine("Start again");
Console.WriteLine("The middle number is: " + y);
Console.WriteLine("The middle number is: " + y);
Console.WriteLine("The middle number is: " + x);
Console.WriteLine("The middle number is: " + x);
Console.WriteLine("The middle number is: " + z);
Console.WriteLine("The middle number is: " + z);