using System;

public class Program

{

    public static void Main()

    {

        string input;

        int kwh,cost;

        Console.WriteLine("ٍEnter your power cunsumption (KWH):");

        input=Console.ReadLine();

        kwh=int.Parse(input);

        if ((kwh<=100)&&(kwh>=0))

        {

            cost=kwh*1364;

        Console.WriteLine("you should pay "+cost);

        }

        else if ((kwh<=200)&&(kwh>100))

        {

            kwh=kwh-100;

            cost=100*1364+kwh*1426;

            Console.WriteLine("you should pay "+cost);

        }

        else if ((kwh<=300)&&(kwh>200))

        {

            kwh=kwh-200;

            cost=100*1364+100*1426+kwh*1488;

            Console.WriteLine("you should pay "+cost);

        }

        else if ((kwh<=400)&&(kwh>300))

        {

            kwh=kwh-300;

            cost=100*1364+100*1426+100*1488+kwh*1550;

            Console.WriteLine("you should pay "+cost);

        }

        else if ((kwh<=500)&&(kwh>400))

        {

            kwh=kwh-400;

            cost=100*1364+100*1426+100*1488+100*1550+kwh*1736;

            Console.WriteLine("you should pay "+cost);

        }

        else if ((kwh<=600)&&(kwh>500))

        {

            kwh=kwh-500;

            cost=100*1364+100*1426+100*1488+100*1550+100*1736+kwh*1984;

            Console.WriteLine("you should pay "+cost);

        }

        else 

        {

            kwh=kwh-600;

            cost=100*1364+100*1426+100*1488+100*1550+100*1736+100*1984+kwh*2232;

            Console.WriteLine("you should pay "+cost+" tooman");

        }

​

        }

}