import sys

def checkNumber(letter):
    if (letter == '0'
            or letter == '1'
            or letter == '2'
            or letter == '3'
            or letter == '4'
            or letter == '5'
            or letter == '6'
            or letter == '7'
            or letter == '8'
            or letter == '9'):
        return letter
    else:
        return None
def openFile(fileName):
    with open(fileName, "r", encoding="utf-8") as file:
        for row in file:
            lastCharacter = ''
            checkWord =''
            allLine = ''

            for letter in row:
                if checkWord != '':
                    if letter == checkNumber(letter):
                        checkWord += letter
                    else:
                        allLine += checkWord
                        allLine += ' '
                        checkWord = ''
                else:
                    if letter == checkNumber(letter):
                        checkWord += letter

                if letter == '\n':
                    if allLine != '':
                        print(allLine)
                        allLine = ''




print('---------------------SHAKESPEARE.EXP--------------------------------------')
openFile('polish_wiki_excerpt.exp')
print('----------------------SHAKESPEARE.EXP-----------------------------------')
openFile('polish_wiki_excerpt.in')
print('------------------------SIMPLE.IN------------------------------------')
openFile('simple.in')
print('-----------------------SIMPLE.EXP--------------------------------------')
openFile('simple.exp')