using System;

public class Program

{

    public static void Main()

    {

        double pc,fee,total=0.0 ;

        Console.Write("Enter your parcel: ");

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

        if (pc >=1 && pc <=300)

        fee = 0.15;

        else if (pc >= 301 && pc <=1000) 

        fee = 0.2;

        else if (pc >= 1001 && pc <=2000)

            fee = 0.25 ;

        else 

            fee= 0.3;

        total= pc*fee;

        Console.Write("parcel: {0} grams = {1}×{2} = {3} Bath",pc,pc,fee,total);

    }

}