Triangle_Area_(Methods)

using System;

public class Program
{
    public static void Main()
    {
        double width = double.Parse(Console.ReadLine());
        double height = double.Parse(Console.ReadLine());
        double area = Area(width, height);
        Console.WriteLine(area);
    }

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