import re
import sys

domain_pattern = re.compile(r'https?://(?:www\.|ww2\.)?([a-zA-Z0-9\-]+\.[a-zA-Z0-9.\-]+)[^a-zA-Z0-9.\-]')

input_stream = sys.stdin

unique_domains = set()

n = int(input_stream.readline().strip())

for _ in range(n):
    line = input_stream.readline().strip()
    for match in domain_pattern.findall(line):
        unique_domains.add(match)

print(';'.join(sorted(unique_domains)))