from collections import *
from itertools import *
from random import *
from time import *
from functools import *
from fractions import *
from math import *

#from pe_lib import PrimeSieve
'''
with open("p096_sudoku.txt", "r") as f:
    a = f.read().split('Grid')
'''


def main():
    print('HELLO WORLD')



start = time()
print('\n\n')
print(main())
print('Program took %.02f seconds' % (time()-start))