/**
   A program to draw a 5-step staircase
*/

public class Staircase
{
   public static void main(String[] args)
   {
      System.out.println("  ____");
      System.out.println("  I__I___");
      System.out.println("  I_____I___");
      System.out.println("  I________I___");
      System.out.println("  I___________I___");
      System.out.println("  I______________I___");
   }
}