import java.util.Scanner;
public class ISOTester
{
public static void main (String [] hello)
{
String block = "";
int height = 0;
Scanner in = new Scanner(System.in);
ISOTriangle t1 = new ISOTriangle();
System.out.println(t1);
ISOTriangle t2 = new ISOTriangle(5, "+");
System.out.println(t2);
block = in.nextLine();
height = in.nextInt();
ISOTriangle t3= new ISOTriangle(height, block);
System.out.println(t3);
}//end main method
}//end class