using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("******************************************************");

        Console.WriteLine("              HITUNG LUAS SEGITIGA BY NAJWA           ");

        Console.WriteLine("******************************************************");

        Console.WriteLine("");

        float rumus;

        float alas;

        float tinggi;

        float luas;

        rumus = 0.5f;

        Console.WriteLine("Masukkan alas segitiga : ");

        alas = Convert.ToInt32(Console.ReadLine());

        Console.WriteLine("Masukkan tinggi segitiga : ");

        tinggi = Convert.ToInt32(Console.ReadLine());

        luas = rumus*alas*tinggi;

        Console.WriteLine("luas segitiga = 1/2*" +  alas + "*" + tinggi + "=" + luas);

    }

}