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:
vs = [0b111111101010101111100101001111111,
0b100000100000000001010110001000001,
0b101110100110110000011010001011101,
0b101110101011001001111101001011101,
0b101110101100011000111100101011101,
0b100000101010101011010000101000001,
0b111111101010101010101010101111111,
0b000000001111101111100111100000000,
0b100010111100100001011110111111001,
0b110111001111111100100001000101100,
0b011100111010000101000111010001010,
0b011110000110001111110101100000011,
0b111111111111111000111001001011000,
0b111000010111010011010011010100100,
0b101010100010110010110101010000010,
0b101100000101010001111101000000000,
0b000010100011001101000111101011010,
0b101001001111101111000101010001110,
0b101101111111000100100001110001000,
0b000010011000100110000011010000010,
0b001101101001101110010010011011000,
0b011101011010001000111101010100110,
0b111010100110011101001101000001110,
0b110001010010101111000101111111000,
0b001000111011100001010110111110000,
0b000000001110010110100010100010110,
0b111111101000101111000110101011010,
0b100000100111010101111100100011011,
0b101110101001010000101000111111000,
0b101110100011010010010111111011010,
0b101110100100011011110110101110000,
0b100000100110011001111100111100000,
0b111111101101000101001101110010001]

x, y = map(int, raw_input().split())
y = 32 - y
if vs[x]&(1<<y) == 1<<y:
   print '1'
else:
   print '0'