password = input()
command = input()

while not command == 'Complete':
    data = command.split()
    action = data[0]
    if action == "Make" and data[1] == 'Upper':
        index = int(data[2])
        password = password[:index] + password[index].upper() + password[index + 1:]
        print(password)
    elif action == "Make" and data[1] == 'Lower':
        index = int(data[2])
        password = password[:index] + password[index].lower() + password[index + 1:]
        print(password)
    elif action == "Insert":
        index = int(data[1])
        char = data[2]
        if 0 <= index < len(password):
            password = password[:index] + char + password[index:]
            print(password)
    elif action == "Replace":
        char = data[1]
        value = int(data[2])
        if char in password:
            new = ord(char) + value
            password = password.replace(char, chr(new))
        print(password)
    elif action == "Validation":
        upper_count = 0
        lower_count = 0
        digit_count = 0
        others = 0
        for a in password:
            if not a.isdigit() and not a.isalpha() and not a == "_":
                others += 1
            elif a.isupper():
                upper_count += 1
            elif a.islower():
                lower_count += 1
            elif a.isdigit():
                digit_count += 1

        if len(password) < 8:
            print(f"Password must be at least 8 characters long!")
        if others > 0:
            print("Password must consist only of letters, digits and _!")
        if upper_count == 0:
            print("Password must consist at least one uppercase letter!")
        if lower_count == 0:
            print("Password must consist at least one lowercase letter!")
        if digit_count == 0:
            print("Password must consist at least one digit!")

    command = input()