import java.util.Scanner;

public class Triangle1 {


public static void main(String[] args) throws Exception {
    Scanner input = new Scanner(System.in);

    double base = 0;
    double height = 0;
    double area = 0;

    System.out.print("Enter the length of base of triangle in cm : ");
    base = input.nextDouble();

    System.out.print("Enter the length of height of triangle in cm : ");
    height = input.nextDouble();

    area = (base * height) / 2;

    System.out.println("");
    System.out.println("The Area of Triangle is : "
                + area  );
    System.out.println();

    System.out.println("Visual");

    for (int i=1; i<=area;i++)
    {
    for (int j=1;j<=area;j++)
    {
        if (j<=i)
        System.out.print("*");
    }
    System.out.println();
    }

}
}