using System;

public class Program

{

    public static void Main()

    {

        SelectBulbs(3,5);

        SelectBulbs(6,5);

        SelectBulbs(20,5);

    }

    public static void SelectBulbs(int allCount, int litCount) {

        Console.WriteLine($"All: {allCount} Lit {litCount}");

        if (litCount >= allCount) {

            for(int i = 0 ; i < allCount; i++) {

                Console.WriteLine((i+1).ToString());

            }

        } else {

            for(int i = 0; i < litCount; i++) {

                var j = Math.Round(((double)i / (litCount-1)) * (allCount-1))  ;

                Console.WriteLine((j+1).ToString());

            }

        }

    }

}