using System;

public class Program

{

    public static void Main()

    {

    int x;

        Console.WriteLine("Hello, Tell me one number from 1 to 20");

    x = int.Parse(Console.ReadLine());

    if ( x < 1 || x >20)

    {

    Console.WriteLine("The number is out of range");

    }

     else if (x % 2 == 0)

     {

     x++;

     Console.WriteLine(x);

          x++;

     Console.WriteLine(x);

          x++;

     Console.WriteLine(x);

          x++;

     Console.WriteLine(x);

          x++;

     Console.WriteLine(x);

     }

     else if (x % 3 == 0)

     {

         //++=Sumar uno

     x++;

     Console.WriteLine(x);

          x++;

     Console.WriteLine(x);

          x++;

     Console.WriteLine(x);

          x++;

     Console.WriteLine(x);

          x++;

     Console.WriteLine(x);

             x++;

     Console.WriteLine(x);

          x++;

     Console.WriteLine(x);

          x++;

     Console.WriteLine(x);

          x++;

     Console.WriteLine(x);

          x++;

     Console.WriteLine(x);

     }

        else if (x == 1)

     {

         //++=Sumar uno

     x++;

     Console.WriteLine(x);

          x++;

     Console.WriteLine(x);

          x++;

     Console.WriteLine(x);

          x++;

     Console.WriteLine(x);

          x++;

     Console.WriteLine(x);

             x++;

     Console.WriteLine(x);

          x++;

     Console.WriteLine(x);

          x++;

     Console.WriteLine(x);

          x++;

     Console.WriteLine(x);

          x++;

     Console.WriteLine(x);

     }

    }

​

}