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:
a,b = map(int, raw_input().split() )

lst = [
    
['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']
    
]

s = str(lst[a])
print s[b + 2]