string

package tasks3;

import java.util.Scanner;

public class Hello1 {
    public static void main(String[] args) {

        Scanner scanner = new Scanner(System.in);
        String a = scanner.nextLine();
        String[] strings = a.split("\\.");
        for (String word : strings) {
            String head = word.substring(0, 1).toUpperCase();
            String tail = ltrim(word);

            System.out.println(head + tail.substring(1));
        }
    }

    public static String ltrim(String s) {
        int i = 0;
        while (i < s.length() && Character.isWhitespace(s.charAt(i))) {
            i++;
        }
        return s.substring(i);
    }
}