public static void Main()
Console.WriteLine("set yael money");
int money =Int32.Parse(Console.ReadLine());
Console.WriteLine("set ice cream cost");
int cost = Int32.Parse(Console.ReadLine());
Console.WriteLine(("yael can invaite ")+ (money/cost-1) +(" friends"));
Console.WriteLine(("yael's Excess is ")+ money%cost +(" NIS"));