using System;

public class Program

{

    public static void Main()

    {

        int s=0,max,pri,a;

        Console.WriteLine("enter the maximum money you will go to buy");

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

        while (max>s)

        {

            Console.WriteLine("enter the price of the product");

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

        s=s+pri;

        }

        Console.WriteLine("you arivved to the maximun money \n the S is {0}",max);

​

    }

}