3.6

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

namespace FifthProject
{
    class Program
    {
        static void Main(string[] args)
        {
            string str;

            Console.WriteLine("Введите строку: ");

            str = Console.ReadLine();
            string[] strs = str.Split(' ');

            for (int i = 0; i < strs.Length; i++)
            {
                Console.WriteLine(strs[i]);
            }
        }
    }
}