08. Triangle Area

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace _10_TriangleArea
{
    class TriangleArea
    {
        static void Main(string[] args)
        {
            double side = double.Parse(Console.ReadLine());
            double high = double.Parse(Console.ReadLine());

            double area = side * high / 2;
            Console.WriteLine("Triangle area = " + area);
        }
    }
}