import java.util.*;

public class CapitalizeWords {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);

        String input = sc.nextLine(); 
        if(String.isDigit)
        {
            System.out.print("Invalid input");
        }
        String[] words = input.split(" ");

        String result = "";

        for (String word : words) {
            if (word.length() > 0) {
                String first = word.substring(0, 1).toUpperCase();
                String rest = word.substring(1).toLowerCase();
                result = result + first + rest + " ";
            }
        }
        System.out.println(result.trim());
    }
}