using System;
using System.Collections;
class Program
{
public static Queue queue;
public static void PrintQueue() {
foreach (Object obj in queue) {
Console.Write("{0} ", obj);
}
}
static void Main() {
queue = new Queue();
queue.Enqueue(4);
queue.Enqueue(5);
PrintQueue();
queue.Enqueue(6);
queue.Enqueue(1);
queue.Enqueue(9);
Console.WriteLine();
PrintQueue();
}
}
/*
run:
4 5
4 5 6 1 9
*/