import re


def main():
    with open("input.txt", "r") as f:
        data = f.read()

    pattern = re.compile(r"\$(\w+)\s*=\s*Input::get\(\'\w+\'\);")
    new_data = re.sub(pattern, r"$\1 = mysqli_real_escape_string($conn,$\1);", data)
    with open("output.txt", "w") as f:
        f.write(new_data)


if __name__ == "__main__":
    main()