ReverseArrayElements

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

namespace ReverseArrayElements
{
    class ReverseArrayElements
    {
        static void Main()
        {
            string[] input = Console.ReadLine().Split(' ').ToArray();
            for (int i = 0; i < input.Length; i++)
            {
                Console.WriteLine(i);
            }
            for (int i = input.Length; i >= 0; i--)
            {
                Console.WriteLine(i);
            }
        }
    }
}