public static void Main()
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());
for(int i = 0; i < litCount; i++) {
var j = Math.Round(((double)i / (litCount-1)) * (allCount-1)) ;
Console.WriteLine((j+1).ToString());