import sys
import re

def read(raw):
    sbuffer = list()
    for s in raw:
        if re.match('\s', s) is None:
            sbuffer.append(s)
        elif len(sbuffer) > 0:
            yield ''.join(sbuffer)
            sbuffer = list()
    yield ''.join(sbuffer)

pin = read(sys.stdin.read())

#######

number = int(pin.next())
string = pin.next()