using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("======================================");

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

        Console.WriteLine("======================================");

        float jarak;

        float waktu;

        float kecepatan;

        Console.WriteLine("Masukkan nilai perpindahan");

        jarak = float.Parse(Console.ReadLine());

        Console.WriteLine("Masukkan nilai perubahan waktu");

        waktu = float.Parse(Console.ReadLine());

        kecepetan = ;

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

    }

}