import re, sys
n = int(input())
html = sys.stdin.read()
pattern = r'https?://(www\.|ww2\.)?([a-z0-9\-]+\.[\.a-z0-9\-]+)'

matches = re.findall(pattern, html)
st = set()
for match in matches:
    st.add(match[1])
print(";".join(sorted(list(st))))