import gzip
import sys

ffile = sys.argv[1]
keywords = {}
keyword = ""
with gzip.open(ffile, mode="rt") as inn:
        print("open file")
        for line in inn:
                if line.startswith('KW'):
                        keyword += line[5:-1]
                else:
                        if keyword[:-1] == ".":
                                keyword = keyword[:-1]
                        for word in keyword.split(";"):
                                if "{" in word:
                                        word = word[:word.find("{")]
                                word = word.strip()
                                if word != "":
                                        if word in keywords:
                                                keywords[word] += 1
                                        else:
                                                keywords[word] = 1
                        keyword = ""
n = 0
kw = dict(sorted(keywords.items(), reverse=True, key=lambda x: x[1]))
for item in kw.items():
        key, value = item
        if n < 10:
                print(f"{key} {value}\n")
                n += 1