using System;
using System.Globalization;
class Program
{
public static string toTitleCase(string s) {
return CultureInfo.CurrentCulture.TextInfo.ToTitleCase(s.ToLower());
}
static void Main() {
string s = "C# is a general-purpose programming language";
s = toTitleCase(s);
Console.Write(s);
}
}
/*
run:
C# Is A General-Purpose Programming Language
*/