import java.util.Scanner;  //Scanner class helps to get input from user
class triangle {
  public static void main(String[] args) {
    Scanner s = new Scanner(System.in);  //Scanner class object declaration
    System.out.println("Enter the base of triangle: ");
    float b = s.nextFloat();  // takes float input base from keyboard or user or run time
    System.out.println("Enter the height of triangle: ");
    float h = s.nextFloat();  // takes float input height from keyboard or user or run time
    float area = 0.5 * b * h;
    System.out.println("Area of Triangle: "+ area);
  }
}