concurrentStack, C#

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//Title of this code
//Rextester.Program.Main is the entry point for your code. Don't change it.
//Compiler version 4.0.30319.17929 for Microsoft (R) .NET Framework 4.5

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

namespace Rextester
{
    public class Program
    {
        public static void Main(string[] args)
        {
            //Your code goes here
            ConcurrentStack<int> stack = new ConcurrentStack<int>();
            
            stack.Push(42);
            
            int result;
            if(stack.TryPop(out result))
                Console.WriteLine("Popped:{0}",result);
            
            stack.PushRange(new int[] {1,2,3});
            
            int[] values = new int[5];
            stack.TryPopRange(values);
                
            foreach(int i in values)
                    Console.WriteLine(i);
            
            
        }
    }
}

Show compiler warnings [ + ] Show input
Compilation time: 0.08 sec, absolute running time: 0.07 sec, cpu time: 0.05 sec, average memory usage: 16 Mb, average nr of threads: 4