import re

def interpretator(s):
    space_s=space(s)
    dash_s=dash(space_s)
    quote_s=quote(dash_s)
    tabs_s=tabs(quote_s)
    newline_s=newline(tabs_s)
    comma_s = comma(newline_s)
    dot_s = dot(comma_s)
    right_bracket_s = right_bracket(dot_s)
    return left_bracket(right_bracket_s)

def left_bracket(s):
    # "( "
    return re.sub(r'\(\s', '(', s)

def right_bracket(s):
    # " )"
    return re.sub(r'\s\)', ')', s)

def comma(s):
    # " ,"
    return re.sub(r'\s[,]', ',', s)

def dot(s):
    # " ."
    return re.sub(r'\s[.]', '.', s)

def space(s):
    #
    return re.sub(r'\s+', ' ', s)

def dash(s):
    # −  to -
    return re.sub(r'\−','-',s)

def quote(s):
    #  “” to «»
    return re.sub(r'\“','«',re.sub(r'\”','»',s))

def tabs(s):
    return s

def newline(s):
    return s

# main
text_in = open('input.txt').read()
print(interpretator(text_in))