Max number

 Console.WriteLine("Largest number: Enter 3 numbers - press 'Enter' key after each");
            
     Int32 num1, num2, num3, high, high2;
     
     num1 = Int32.Parse(Console.ReadLine());
     num2 = Int32.Parse(Console.ReadLine());   
     num3 = Int32.Parse(Console.ReadLine());
     high = Math.Max(num1, num2);
     high2 = Math.Max(high, num3);

 Console.WriteLine("The highest number is {0}", high2);
 Console.ReadLine();