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:
S=str.split
a,b=map(int,S(input()))
print(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')[a][b])