import sys
import string

words = sys.argv[1:]
def embiggen_word(word):
    def inner(_word):
        for i in word.lower():
            if i in string.ascii_lowercase:
                yield ":big-%s:" % i
            else:
                yield i
    return ''.join(inner(word))

embiggened = map(embiggen_word, words)
print ":sparkles:%s:end_sparkles:" % (' '.join(embiggened))