using System;

using System.Collections;

using System.Collections.Generic;

public class Program

{

    public static void Main()

    {

        string s=Console.ReadLine();

        string[] s1=s.Split(' ');

        ArrayList my=new ArrayList();

        for(int i=0;i<s1.Length;i++)

            my.Add(s1[i]);

        for(int i=0;i<s1.Length;i++)

        {

         string s2=Convert.ToString(my[i]);

         char c=Char.ToUpper(s2[0]);

         string s3=c+s2.Substring(1);

         my[i]=s3;

        }

        for(int i=0;i<s1.Length;i++)

            Console.Write(my[i]+" ");

    }

}