import sys

formatted_args = []

UNSAFE_CHARACTERS = [" ", "!", "\"", "#", "$", "&", "'", "(", ")", "*", ",", ";", "<", ">", "?", "[", "\\", "]", "^", "`", "{", "|", "}", ":", "~", "/"]

def find_unsafe(arg):

    for unsafe in UNSAFE_CHARACTERS:

        if unsafe in arg:

            return True

    return False

for arg in sys.argv[1:]:

    if find_unsafe(arg):

        formatted_args.append('"%s"' % arg)

    else:

        formatted_args.append(arg)

print("$ " + " ".join(formatted_args))