using System;

public class Program

{

    public static void Main()

    {

/*

        int x=1;

        while (x <=50)

        {

            Console.Write(x);

            Console.Write("-");

            x = x + 1;

        }

        */

        /*

        int x=50;

        while (x <=150)

        {

            Console.Write(x);

            Console.Write("-");

            x = x + 1;

        }

        */

        /*

        int x=1;

        while (x <=200)

        {

            Console.Write(x);

            Console.Write("-");

            x = x + 1;

        }

        */

        /*

        int x=-50;

        while (x <=0)

        {

            Console.Write(x);

            Console.Write("-");

            x = x + 1;

        }

        */

        /*

        int x=2;

        while (x <=100)

        {

            Console.Write(x);

            Console.Write("-");

            x = x + 2;

        }

        */

​

    }

}