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

namespace _09.Capitalization
{
    class Program
    {
        static void Main(string[] args)
        {
            char[] separators = {'.',',','?','!',';',' ' };
            List<string> input = Console.ReadLine().Split(separators).ToList();

            for (int i = 0; i < input.Count; i++)
            {
                input[i] = UpperFirstLetter(input[i]);
            }
            Console.WriteLine(input);
        }
        static string UpperFirstLetter(string s)
        {
            char[] a = s.ToCharArray();
            a[0] = char.ToUpper(a[0]);
            return new string(a);
        }
    }
}