using
System;using
System.Collections.Generic;using
System.Text;using
System.Collections;namespace
ConsoleApplication1{
class Program{
static void Main(string[] args){
ArrayList a = new ArrayList(); Random r = new Random(); int n; do{n =
int.Parse(Console.ReadLine());a.Add(n);
}
while(n!=0); while (a.Count != 1){
int x = r.Next() % a.Count; Console.WriteLine("{0}", x);a.RemoveAt(x);
}
Console.WriteLine("{0}",a[0]); Console.ReadLine();}
}
}
