ack

import java.util.*;

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

        //The first line of the input will be your raw activation key.
        String input = scanner.nextLine();

        StringBuilder sb = new StringBuilder(input);

        //Until the "Generate" command is given, you will be receiving strings with instructions.
        String command = scanner.nextLine();

        while (!command.equals("Generate")) {

            //Contains checks if the raw activation key contains the given substring.
            if (command.split(">>>")[0].equals("Contains")) {
                String substring = command.split(">>>")[1];

                //If it contains the given substring prints: "{raw activation key} contains {substring}".
                //If not, prints: "Substring not found!"
                if (sb.toString().contains(substring)) {
                    System.out.printf("%s contains %s%n", input, substring);
                } else {
                    System.out.println("Substring not found!");
                }

                //Flip changes the substring between the given indices to upper or lower case.
            } else if (command.split(">>>")[0].equals("Flip")) {

                //Case Upper.
                if (command.split(">>>")[1].equals("Upper")) {

                    //All given indexes will be valid.
                    int startIndex = Integer.parseInt(command.split(">>>")[2]);
                    int endIndex = Integer.parseInt(command.split(">>>")[3]);

                    //Replace process
                    String upperCase = sb.substring(startIndex, endIndex).toUpperCase();
                    sb.replace(startIndex, endIndex, upperCase);
                    input = sb.toString();

                    //Prints the activation key.
                    System.out.println(input);

                    //Case Lower.
                } else if (command.split(">>>")[1].equals("Lower")) {

                    //All given indexes will be valid.
                    int startIndex = Integer.parseInt(command.split(">>>")[2]);
                    int endIndex = Integer.parseInt(command.split(">>>")[3]);

                    //Replace process.
                    String upperCase = sb.substring(startIndex, endIndex).toLowerCase();
                    sb.replace(startIndex, endIndex, upperCase);
                    input = sb.toString();

                    //Prints the activation key.
                    System.out.println(input);
                }

                //Slice deletes the characters between the start and end indices.
            } else if (command.split(">>>")[0].equals("Slice")) {

                //Both indices will be valid.
                int startIndex = Integer.parseInt(command.split(">>>")[1]);
                int endIndex = Integer.parseInt(command.split(">>>")[2]);

                // Remove process.
                sb.replace(startIndex, endIndex, "");
                input = sb.toString();

                //Prints the activation key.
                System.out.println(input);
            }
            //Update command line.
            command = scanner.nextLine();
        }

        //After the "Generate" command is received.
        System.out.printf("Your activation key is: %s", input);
    }
}