25

using System;

namespace ConsoleApp3
{
    internal class Program
    {
        static void Main(string[] args)
        {
            string userString = "Дана строка с текстом";
            char subsChar = ' ';
            string[] subsString = userString.Split(subsChar);

            foreach (string word in subsString)
            {
                Console.WriteLine(word);
            }
        }
    }
}