using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine(" - - -  W H I L E - - -");

        int i=0;

        while (i<=5)

        //for ( int x=0 ;  x<5 ; x=x+1 )

        //for (int x = 0; x < 20 ; x=x+2)

        {

            Console.WriteLine(" Jaehyun the best x={0}",i );i++;

            //Console.WriteLine("Hello Wolrd x=" +(x+1)); //stringเปนการต่อข้อความ

            //Console.WriteLine("Hello Wolrd x={0}" ,x+1);

}

}

}