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

namespace _09.Capitalization
{
    class Program
    {
        static void Main(string[] args)
        {
            var input = Console.ReadLine();

            input = Thread.CurrentThread.CurrentCulture.TextInfo.ToTitleCase(input.ToLower());
            Console.WriteLine(input);
        }
    }
}