public static void Main()
string thehigestname = "";
string thelowername = "";
name = Console.ReadLine();
money = int.Parse(Console.ReadLine());
if (money >max && name!= "stop"){
else if(min <money && name!= "stop"){
Console.WriteLine("the higest price name is" + " " + thehigestname);
Console.WriteLine("the lower price name is" + " " + thelowername);
Console.WriteLine("the total money:" + " " + sum);