using System;

public class Program

{

    public static void Main()

    {

//                   שאלה ראשונה    

    int Pen=5,p=2,note=3,I,a,T,b,c;

    Console.WriteLine("How many pencils do you wish to buy");

    I = int.Parse(Console.ReadLine());

    a = p * I;

    Console.WriteLine("{0}={1}*{2}",a,p,I); 

    Console.WriteLine("How many pens do you wish to buy");

    I = int.Parse(Console.ReadLine());

    b = Pen * I;

    Console.WriteLine("{0}={1}*{2}",b,Pen,I); 

    Console.WriteLine("How many Notebooks do you wish to buy");

    I = int.Parse(Console.ReadLine());

    c = note * I;

    Console.WriteLine("{0}={1}*{2}",c,note,I); 

    Console.WriteLine("Total payment{0}={1}+{2}+{3}",T,a,b,c);

    }

}