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 PYTHON3):

Solution:
# from dust i have come, dust i will be

r, c = map(int, input().split())
s = "111111101010101111100101001111111.\
100000100000000001010110001000001.\
101110100110110000011010001011101.\
101110101011001001111101001011101.\
101110101100011000111100101011101.\
100000101010101011010000101000001.\
111111101010101010101010101111111.\
000000001111101111100111100000000.\
100010111100100001011110111111001.\
110111001111111100100001000101100.\
011100111010000101000111010001010.\
011110000110001111110101100000011.\
111111111111111000111001001011000.\
111000010111010011010011010100100.\
101010100010110010110101010000010.\
101100000101010001111101000000000.\
000010100011001101000111101011010.\
101001001111101111000101010001110.\
101101111111000100100001110001000.\
000010011000100110000011010000010.\
001101101001101110010010011011000.\
011101011010001000111101010100110.\
111010100110011101001101000001110.\
110001010010101111000101111111000.\
001000111011100001010110111110000.\
000000001110010110100010100010110.\
111111101000101111000110101011010.\
100000100111010101111100100011011.\
101110101001010000101000111111000.\
101110100011010010010111111011010.\
101110100100011011110110101110000.\
100000100110011001111100111100000.\
111111101101000101001101110010001"

arr = s.split('.')
print(arr[r][c])