3.6

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

namespace _3._3
{
    class Program
    {
        static void Main(string[] args)
        {
            string userInput;

            Console.Write("Введите текст: ");
            userInput = Console.ReadLine();

            string[] array = userInput.Split(new string[] { " " }, StringSplitOptions.None);
            for (int i = 0; i < array.Length; i++)
            {
                Console.WriteLine(array[i]);
            }
        }
    }
}