from html.parser import HTMLParser
class MyHTMLParser(HTMLParser):
    def handle_comment(self, data):
        if  '\n' in data:
            print(">>> Multi-line Comment") 
        else:
            print(">>> Single-line Comment")
        print(data)
    def handle_data(self, data):
        if data.strip():
            print(">>> Data")
            print(data)  
html = ""       
for i in range(int(input())):
    html += input().rstrip()
    html += '\n'
parser = MyHTMLParser()
parser.feed(html)
parser.close()