import java.util.Scanner;

public class TextCaseDemo {
    
    public static String toTitleCase(String input) {
        StringBuilder titleCase = new StringBuilder();
        boolean nextTitleCase = true;

        for (char c : input.toCharArray()) {
            if (Character.isSpaceChar(c)) {
                nextTitleCase = true;
            } else if (nextTitleCase) {
                c = Character.toTitleCase(c);
                nextTitleCase = false;
            } else {
                c = Character.toLowerCase(c);
            }
            titleCase.append(c);
        }
        return titleCase.toString();
    }

    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        System.out.print("Enter a string: ");
        String input = scanner.nextLine();

        System.out.println("Uppercase: " + input.toUpperCase());
        System.out.println("Lowercase: " + input.toLowerCase());
        System.out.println("Title Case: " + toTitleCase(input));

        scanner.close();
    }
}