Problem 5. Longest Increasing Sequence

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


class LongestIncresingSequence
{
    static void Main()
    {
        int[] arr = Console.ReadLine().Split(' ').Select(int.Parse).ToArray();

        for (int i = 0; i < arr.Length; i++)
        {
            if (i == arr.Length - 1)
            {
                if (arr[i - 1] < arr[i])
                {
                    Console.Write("{0} ", arr[i]);
                }
                else
                {
                    Console.WriteLine("{0}", arr[i]);
                }
            }
            else if (arr[i] < arr[i + 1])
            {
                Console.Write("{0} ", arr[i]);
            }
            else
            {
                Console.WriteLine("{0}", arr[i]);
            }
        }
        Console.WriteLine();
    }
}