import re
import sys


def line_contains(line):
    if re.match("(^(al\.|os\.) ([A-Z].*) ([1-9](\d+)?)((\/\d+)|( m. [1-9])))|(^(ul\.) ([A-Z].*) ([1-9](\d+)?))", line):
        return re.findall("^(al\.|os\.|ul\.) ([A-Z][.\S]*) ([1-9](\d+)?)", line)[0][2]


for line in sys.stdin:
    if line_contains(line):
        print(line_contains(line))
    else:
        print("<NONE>")