#!/usr/local/bin/ruby

id = 10000
SH = "/bin/csh"

def salt(pw)
    pw.crypt(pw[1..2])
end

for ln in $stdin
    id = id + 1
    f = ln.chop.split(':')
    # login, pass, uid, gid, class, change, expire, fn, homedir, shell
    p = [f[1], salt(f[2]), id, id, nil, 0, 0, f[0], "/home/#{f[1]}", SH]
    print p.join(':'), "\n"
end