using System;

​

public class Pograma

{ 

    public static void Main()

    {

        for (int con=20; con>=10; con--)

        {

            if(con==14)

                continue;

        Console.Write(" "+con );

        }

        Console.WriteLine();

        int cont=20;

        while(cont>=10)

        { 

            if(cont!=14)

            Console.Write(" "+cont);

            cont--;

        }

    }

}