#! /usr/bin/env python3

import sys, os

main_prog_mtime = os.path.getmtime("phd.py")
main_tmpl_mtime = os.path.getmtime("phd_site.tmpl")

for line in sys.stdin:
    line = line.strip()
    src_mtime = os.path.getmtime(line)

    dest = line.replace(".tmpl", ".html")
    try:
        dest_mtime = os.path.getmtime(dest)
    except OSError:
        make = True
    else:
        make = (src_mtime > dest_mtime) or \
            (main_prog_mtime > dest_mtime) or (main_tmpl_mtime > dest_mtime)

    if make:
        print(line)