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(5);
queue.Enqueue(2);
queue.Enqueue(7);
queue.Enqueue(3);
queue.Enqueue(6);
queue.Enqueue(1);
queue.Enqueue(9);
PrintQueue();
queue.Dequeue();
Console.WriteLine();
PrintQueue();
}
}
/*
run:
5 2 7 3 6 1 9
2 7 3 6 1 9
*/