DBukarova

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




namespace RegexFullName
{
    class Program
    {
        static void Main()
        {
            Regex pattern = new Regex(@"^[A-Z][a-z]+\s{1}[A-Z][a-z]+$");

            string name = Console.ReadLine();

            MatchCollection matches = pattern.Matches(name);

            foreach (Match m in matches)
            {
                Console.Write(m.Groups[0].Value + " ");
            }
            Console.WriteLine();
        }
    }
}