p_words = re.compile(r'\w+')


# p_words = re.compile(r'[^\n\r\t\.\:\,\d\!\?; ]+')
# p_words = re.compile(r'[\w\']+')


def parse_line(line):
    words = p_words.findall(line)
    return [w.lower() for w in words]


def generate_corpus(text):
    corpus = {}
    words = parse_line(text)
    total_words = 0
    total_words_bi = len(words) - 1
    if len(words) > 0:
        if len(words[0]) > 2:
            corpus[words[0]] = 1
            total_words += 1
        for i in range(1, len(words)):
            word = words[i]
            prev_word = words[i - 1]
            if len(word) > 2:
                corpus.setdefault(word, 0)
                corpus[word] += 1
                total_words += 1
            corpus.setdefault((prev_word, word), 0)
            corpus[(prev_word, word)] += 1

    return total_words, total_words_bi, corpus


def process_test_case(line):
    words = p_words.findall(line)
    if len(words) == 1:
        cnt = corpus.get(words[0], 0)
        print(line, cnt, round(cnt * 1.0 / total_words, 5))
    elif len(words) == 2:
        cnt = corpus.get((words[0], words[1]), 0)
        print(line, cnt, round(cnt * 1.0 / (total_words_bi), 5))
    else:
        print('invalid input')


if __name__ == '__main__':
    total_words, total_words_bi, corpus = generate_corpus(sample_text)
    line = input()
    process_test_case(line)