using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace DemoQueue4
{
    class SpecialQueue<ELEMENT> : System.Collections.Generic.Queue<ELEMENT>
    {
        public SpecialQueue<ELEMENT> join(Queue<ELEMENT> other)
        {
            SpecialQueue<ELEMENT> result = new SpecialQueue<ELEMENT>();

            ELEMENT[] data = this.ToArray();
            foreach (ELEMENT e in data)
            {
                result.Enqueue(e);
            }

            data = other.ToArray();
            foreach (ELEMENT e in data)
            {
                result.Enqueue(e);
            }

            return result;
        }
    }
}