package FinalExam;

import java.util.*;

public class Task1 {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        StringBuilder inputPassword = new StringBuilder(scanner.nextLine());

        String[] commands = scanner.nextLine().split("\\s+");

        while (!commands[0].equals("Complete")) {
            switch (commands[0]) {
                case "Make":
                    String upperOrLower = commands[1];
                    int index = Integer.parseInt(commands[2]);

                    if (upperOrLower.equals("Upper")) {
                        if (index >= 0 && index <= inputPassword.length()) {
                            char tempUpper = inputPassword.charAt(index);
                            char toMake = Character.toUpperCase(tempUpper);
                            inputPassword.setCharAt(index, toMake);
                            System.out.println(inputPassword);
                        }
                    } else {
                        if (upperOrLower.equals("Lower")) {
                            char tempLower = inputPassword.charAt(index);
                            if (index >= 0 && index <= inputPassword.length()) {
                                char toMake = Character.toLowerCase(tempLower);
                                inputPassword.setCharAt(index, toMake);
                                System.out.println(inputPassword);
                            }
                        }
                    }
                    break;
                case "Insert":
                    int indexToInsert = Integer.parseInt(commands[1]);
                    String charToInsert = commands[2];
                    if (indexToInsert >= 0 && indexToInsert <= inputPassword.length()) {
                        inputPassword.insert(indexToInsert, charToInsert);
                        System.out.println(inputPassword);
                    }
                    break;
                case "Replace":
                    String charToReplace = commands[1];
                    int value = Integer.parseInt(commands[2]);
                    if (inputPassword.indexOf(charToReplace) > -1) {
                        int charCode = charToReplace.charAt(0);
                        int newValue = charCode + value;
                        String newSymbol = String.valueOf((char) newValue);
                        if (inputPassword.toString().contains(charToReplace)) {
                            String tempString = inputPassword.toString().replace(charToReplace, newSymbol);
                            inputPassword = new StringBuilder(tempString);
                        }
                        System.out.println(inputPassword);
                    }
                    break;
                case "Validation":
                    if (inputPassword.length() < 8) {
                        System.out.println("Password must be at least 8 characters long!");
                    }
                    boolean isLetterOrDigit = true;
                    for (int i = 0; i < inputPassword.length(); i++) {
                        char tempChar = inputPassword.charAt(i);
                        if (!Character.isLetterOrDigit(tempChar) && tempChar != '_') {
                            isLetterOrDigit = false;
                            break;
                        }
                    }
                    if (!isLetterOrDigit) {
                        System.out.println("Password must consist only of letters, digits and _!");
                    }

                    isLetterOrDigit = true;
                    for (int i = 0; i < inputPassword.length(); i++) {
                        char tempChar = inputPassword.charAt(i);
                        if (Character.isUpperCase(tempChar)) {
                            isLetterOrDigit = false;
                            break;
                        }
                    }
                    if (isLetterOrDigit) {
                        System.out.println("Password must consist at least one uppercase letter!");
                    }

                    isLetterOrDigit = true;

                    for (int i = 0; i < inputPassword.length(); i++) {
                        char tempChar = inputPassword.charAt(i);
                        if (Character.isLowerCase(tempChar)) {
                            isLetterOrDigit = false;
                            break;
                        }
                    }
                    if (isLetterOrDigit) {
                        System.out.println("Password must consist at least one lowercase letter!");
                    }

                    isLetterOrDigit = true;

                    for (int i = 0; i < inputPassword.length(); i++) {
                        char tempChar = inputPassword.charAt(i);
                        if (Character.isDigit(tempChar)) {
                            isLetterOrDigit = false;
                            break;
                        }
                    }
                    if (isLetterOrDigit) {
                        System.out.println("Password must consist at least one digit!");
                    }
                    break;
            }
            commands = scanner.nextLine().split("\\s+");
        }
    }
}