import random
def reverse_message(msg):
    msg = msg[-1:] + msg[:-1]
    xmsg = ""
    for i in range(0,21):
        try:
            xmsg += msg[i]
            xmsg += msg[i+21]
        except:
            pass
    msg = xmsg[-1:] + xmsg[:-1]
    return msg
def reverse_loop(msg,perm):
    final = ""
    for x in [7,14,21,28,35,42]:
        block = list(msg[x-7:x])
        if block == []:
            break
        dblock =  [0,0,0,0,0,0,0]
        for i in range(0,len(perm)):
            dblock[perm[i]] = block[i]
        final += ''.join(dblock)
    return final
def decrypt(x,perm):
    enc = x
    for i in xrange(100):
        enc = reverse_message(reverse_loop(enc,perm))
        if i == 99:
            return enc
prev = []
while(1):
    perm = range(7)
    random.shuffle(perm)
    if perm not in prev:
        FLAG = "L{NTP#AGLCSF.#OAR4A#STOL11__}PYCCTO1N#RS.S"
        flag = decrypt(FLAG,perm)
        if "FLAG" == flag[:4]:
            print flag
            break