public class yuju {

     public static void main(String[] args) {

          for (int i= ; i<; i++)

             {

                  for (int j=; j<=i;j++)

                  {

                      System.out.print("*");

             }

                 System.out.println();

             }

             for (int i=;i<;i++)

             {

            for (int j=;j>=i;j--)

            {

                System.out.print("*");

            }

            System.out.println();

             }

     }

 }