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:
answer = ["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"]
x,y = map(int,raw_input().split())
print answer[x][y]