import javax.swing.JOptionPane;
public class TriangleTest
{
   public static void main (String [] args)
	{
	    String input = JOptionPane.showInputDialog("Enter width");
		 int width = Integer.parseInt(input);
		 Triangle t = new Triangle (width);
		 int area = t.getArea();
		 System.out.println (" Area = " + area);
	}
}