reversing ctf shl offline

# uncompyle6 version 3.3.5
# Python bytecode 3.7 (3394)
# Decompiled from: Python 2.7.16 (default, Apr  6 2019, 01:42:57)
# [GCC 8.3.0]
# Embedded file name: client.py
# Size of source mod 2**32: 1449 bytes
checked2 = [
 9887454823508319666176L, 288172475648682933383442546271715328L, 142788163609707759784588649053552640L, 167644010141872405086208L, 2367687367491881398609906326124363776L, 15370263527767281493147526365184L, 9636902969440640078552601187032498176L, 4776913109852041418248056622882488320L]
checked1 = [65536, 123904, 118784, 123904, 99328, 113664]
checked0 = [65612, 123953, 118859, 123955]
checked4 = [122, 59, 99, 107, 105, 122, 75]
user_input = input('Masukan Serial key: ')
mentah_data = user_input.split('#')

def _print(data):
    print(data)
    exit(0)


if len(mentah_data) != 4:
    _print('Hallo? who are you?')
if len(mentah_data[1]) != len(checked1):
    _print('Sorry Who are')
if len(mentah_data[0]) != len(checked2):
    _print('Ha? Halo')
if len(mentah_data[2]) != len(checked0):
    _print('Hallo??')
if len(mentah_data[3]) != len(checked4):
    _print('HEYYY!! YOU ARE WRONG!')
for c1 in range(len(mentah_data[0])):
    if ord(mentah_data[0][c1]) << ord(mentah_data[0][c1]) != checked2[c1]:
        _print('NO!')

for c2 in range(len(checked1)):
    if ord(mentah_data[1][c2]) << 10 != checked1[c2]:
        _print('No!')

for c3 in range(len(mentah_data[2])):
    if ord(mentah_data[2][c3]) + checked1[c3] != checked0[c3]:
        _print('Noooo!')

for c4 in range(len(mentah_data[3])):
    if ord(mentah_data[3][::-1][c4]) ^ len(checked2) != checked4[c4]:
        _print('Big NO!')

print("Here's your Flag: CTFSHL2019{" + user_input.replace('#', '_') + '}')
# okay decompiling client.pyc