import collections as C
count_word = C.Counter()
with open('input.txt', 'r') as f_in:
    for line in f_in.readlines():
        for word in line.split():
            if not len(word.decode('utf-8'))<3:
                count_word[word] += 1

print(repr(count_word.most_common(10)).decode('string_escape'))