using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("AREA DE UN RECTANGULO");

        Console.WriteLine("Introdusca base");

        double base1=Convert.ToDouble(Console.ReadLine());

        Console.WriteLine("introdusca altura");

        double altura=Convert.ToDouble(Console.ReadLine());

        double area=base1*altura;

        Console.WriteLine("La area es:"+area);

    }

}