from html.parser import HTMLParser

class MyHTMLParser(HTMLParser):
    def handle_comment(self, data: str) -> None:
        if not len(data.splitlines()) == 1:
            print('>>> Multi-line Comment')
            for line in data.splitlines():
                print(line)
        else:
            print('>>> Single-line Comment')
            print(data)
    
    def handle_data(self, data: str) -> None:
        if not data == '\n':
            print('>>> Data')
            for line in data.splitlines():
                print(line)
    
  
html = ""
for i in range(int(input())):
    html += input().rstrip()
    html += '\n'
    
parser = MyHTMLParser()
parser.feed(html)
parser.close()