Problem:
Score : 300 points

Problem Statement

You are given an integer sequence of length n, a_1, ..., a_n.
Let us consider performing the following n operations on an empty sequence b.

The i-th operation is as follows:

Append a_i to the end of b.

Reverse the order of the elements in b.

Find the sequence b obtained after these n operations.

Constraints

1 \leq n \leq 2\times 10^5

0 \leq a_i \leq 10^9

n and a_i are integers.

Input

Input is given from Standard Input in the following format:

n
a_1 a_2 ... a_n

Output

Print n integers in a line with spaces in between.
The i-th integer should be b_i.

Sample Input 1

4
1 2 3 4

Sample Output 1

4 2 1 3

After step 1 of the first operation, b becomes: 1.

After step 2 of the first operation, b becomes: 1.

After step 1 of the second operation, b becomes: 1, 2.

After step 2 of the second operation, b becomes: 2, 1.

After step 1 of the third operation, b becomes: 2, 1, 3.

After step 2 of the third operation, b becomes: 3, 1, 2.

After step 1 of the fourth operation, b becomes: 3, 1, 2, 4.

After step 2 of the fourth operation, b becomes: 4, 2, 1, 3.

Thus, the answer is 4 2 1 3.

Sample Input 2

3
1 2 3

Sample Output 2

3 1 2

As shown above in Sample Output 1, b becomes 3, 1, 2 after step 2 of the third operation. Thus, the answer is 3 1 2.

Sample Input 3

1
1000000000

Sample Output 3

1000000000

Sample Input 4

6
0 6 7 6 7 0

Sample Output 4

0 6 6 0 7 7

Solution in C# (Mono 4.6.2.0) (judge verdict: Time Limit Exceeded)

using System;
using System.Collections.Generic;
using System.Linq;
using System.Reflection.Emit;
using System.Runtime.InteropServices;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleApp1
{
    class Program
    {
        static void Main(string[] args)
        {
            //string str = Console.ReadLine();
            //Main2(str);
            //MainSS(str);
            MainC();
        }

        static void MainC()
        {
            var n = int.Parse(Console.ReadLine());
            var ary = Console.ReadLine().Split().Select(int.Parse).ToArray();

            List<int> b = new List<int>(ary.Length);
            for (int i = 0; i < n; i++)
            {
                b.Add(ary[i]);
                b.Reverse();
            }
            Console.WriteLine(string.Join(" ",b));


        }

        static void MainSS(string str)
        {
            for (int i = 2; i < str.Length; i+=2)
            {
                if (JudgeGu(str.Substring(0, str.Length - i)))
                {
                    Console.WriteLine(str.Length - i);
                    break;
                }
            }
        }

        static bool JudgeGu(string str)
        {
            if (str.Length % 2 != 0) return false;

            string sub = str.Substring(0, str.Length / 2);
            return (sub + sub) == str;
        }

        static void Main2(string str)
        {
            var kakaku = str.Split().Select(int.Parse).ToArray();
            Array.Sort(kakaku);
            Console.WriteLine(kakaku[0] + kakaku[1]);
        }
    }
}