Get Triangle Area

using System;

namespace P06_Calculate_Triangle_Area
{
    class Program
    {
        static void Main(string[] args)
        {
            double width = double.Parse(Console.ReadLine());
            double height = double.Parse(Console.ReadLine());
            double area = GetTriangleArea(width,height);
            Console.WriteLine(area);

        }
        static double GetTriangleArea(double width, double height)
        {
            return width * height / 2;
        }
    }
}