using System.Text.RegularExpressions; public class Program { static void Main() { string s = Console.ReadLine(); var match = s.Length >=1 && s.Length <=32 && Regex.Match(s, "^[a-zA-Z0-9_-]+$").Success && !Regex.Match(s, "^[-_]").Success && !Regex.Match(s, "[-_]$").Success; Console.WriteLine(match ? 200 : 400); } }