using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Input sideA = ");

        double sideA =  double.Parse(Console.ReadLine()); 

        Console.Write("Input sideB = "); 

        double sideB = double.Parse(Console.ReadLine());

        Console.Write("Input sideC = "); 

        double sideC = double.Parse(Console.ReadLine()); 

        double h = double.Parse(Console.ReadLine());

        double P = sideA + sideB + sideC;

        double S = (sideA + sideC) * h /2;

        Console.WriteLine("Perimeter is: " + P);

        Console.WriteLine("Area is: " + S); 

    }

}