public class p179_8
{
public static void main(String[] args)
  {
  	System.out.print("Please enter a integer:");
  	int maxstar=SavitchIn.readLineInt();
  	
  	int row,star;  	
  	for(row=1;row<=maxstar;row++){
  		for(star=1;star<=row;star++){
  			System.out.print("*");
  			}
        System.out.println();
        }
    for(row=1;row<=maxstar-1;row++)
        {
        for(star=maxstar-1;star>=row;star--)
        {System.out.print("*");
         }
       System.out.println(); 
        }
  }
}