import re
import sys


def line_contains_correct_path(line):
    if re.findall("^\/(\w+\/)+([\w|\.|\-]*)", line, re.DOTALL) and len(
            re.search("^\/(\w+\/)+([\w|\.|\-]*)", line, re.DOTALL)[0]) > 1:
        return re.findall("^\/(\w+\/)+([\w|\.|\-]*)", line, re.DOTALL)[0][1]
    elif re.findall("^(\w:\\\)(\w+\\\)*([\w|\.|\-]*)$", line) and len(
            re.findall("^(\w:\\\)(\w+\\\)*([\w|\.|\-]*)$", line)[0]) > 2:
        return re.findall("^(\w:\\\)(\w+\\\)*([\w|\.|\-]*)$", line)[0][2]


for line in sys.stdin:
    if line_contains_correct_path(line):
        print(line_contains_correct_path(line).rstrip('\n'))
    else:
        print("<NONE>")