using System;

public class Program

{

    public static void Main()

    {

        float price = 1;

        float total = 0;

        int i = 1 ;

        for(i = 1; price !=0; i++)

            {

            Console.Write("Enter price of item {0} : ",i);

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

            total += price;

            }

        Console.WriteLine("Product : {0} item",i-2);

        Console.WriteLine("Total {0:n}",total);

        }

}