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:
import sys

st = "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"

def B():
    a, b = map(int, sys.stdin.readline().strip().split())
    print st[a*33+b]

if __name__ == "__main__":
    B()