01. Password Reset

import java.util.Scanner;

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

        String encrypted = scanner.nextLine();
        String command = scanner.nextLine();

        while (!command.equals("Done")) {
            String[] commandParts = command.split(" ");
            String commandName = commandParts[0];
            switch (commandName) {
                case "TakeOdd":
                    StringBuilder newPassword = new StringBuilder();
                    for (int i = 1; i < encrypted.length(); i += 2) {

                        newPassword.append(encrypted.charAt(i));
                    }
                    encrypted = newPassword.toString();
                    System.out.println(encrypted);
                    break;
                case "Cut":
                    int startIndex = Integer.parseInt(commandParts[1]);
                    int lenght = Integer.parseInt(commandParts[2]);
                    String firstPart = encrypted.substring(0, startIndex);
                    String secondPart = encrypted.substring(startIndex + lenght, encrypted.length());
                    encrypted = firstPart + secondPart;
                    System.out.println(encrypted);
                    break;
                case "Substitute":
                    String searchFor = commandParts[1];
                    String replaceWith = commandParts[2];
                    if(!encrypted.contains(searchFor)){
                        System.out.println("Nothing to replace!");
                    } else{
                        encrypted = encrypted.replace(searchFor,replaceWith);
                        System.out.println(encrypted);
                        break;
                    }}
            command = scanner.nextLine();
        }
        System.out.println(String.format("Your password is: %s",encrypted));
    }


}