Problem: <image>

Input

The input contains two integers a1, a2 (0 ≤ ai ≤ 32), separated by a single space.

Output

Output a single integer.

Examples

Input

1 1


Output

0


Input

3 7


Output

0


Input

13 10


Output

1

Solution (in PYTHON):

Solution:
#http://www.degraeve.com/img2txt.php
import sys
ans = ['####### # # # #####  # #  #######    \n', '#     #          # # ##   #     #    \n', '# ### #  ## ##     ## #   # ### #    \n', '# ### # # ##  #  ##### #  # ### #    \n', '# ### # ##   ##   ####  # # ### #    \n', '#     # # # # # ## #    # #     #    \n', '####### # # # # # # # # # #######    \n', '        ##### #####  ####            \n', '#   # ####  #    # #### ######  #    \n', '## ###  ########  #    #   # ##      \n', ' ###  ### #    # #   ### #   # #     \n', ' ####    ##   ###### # ##      ##    \n', '###############   ###  #  # ##       \n', '###    # ### #  ## #  ## # #  #      \n', '# # # #   # ##  # ## # # #     #     \n', '# ##     # # #   ##### #             \n', '    # #   ##  ## #   #### # ## #     \n', '# #  #  ##### ####   # # #   ###     \n', '# ## #######   #  #    ###   #       \n', '    #  ##   #  ##     ## #     #     \n', '  ## ## #  ## ###  #  #  ## ##       \n', ' ### # ## #   #   #### # # #  ##     \n', '### # #  ##  ### #  ## #     ###     \n', '##   # #  # # ####   # #######       \n', '  #   ### ###    # # ## #####        \n', '        ###  # ## #   # #   # ##     \n', '####### #   # ####   ## # # ## #     \n', '#     #  ### # # #####  #   ## ##    \n', '# ### # #  # #    # #   ######       \n', '# ### #   ## #  #  # ###### ## #     \n', '# ### #  #   ## #### ## # ###        \n', '#     #  ##  ##  #####  ####         \n', '####### ## #   # #  ## ###  #   #    \n', '                                     \n', '                                     ']


for s in sys.stdin.readlines():
  r, c = s.split()
  r, c = int(r), int(c)

  print [0, 1][ans[r][c] == '#']