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:
i = -1
a = range(100)
i+= 1; a[i] = '111111101010101111100101001111111'
i+= 1; a[i] = '100000100000000001010110001000001'
i+= 1; a[i] = '101110100110110000011010001011101'
i+= 1; a[i] = '101110101011001001111101001011101'
i+= 1; a[i] = '101110101100011000111100101011101'
i+= 1; a[i] = '100000101010101011010000101000001'
i+= 1; a[i] = '111111101010101010101010101111111'
i+= 1; a[i] = '000000001111101111100111100000000'
i+= 1; a[i] = '100010111100100001011110111111001'
i+= 1; a[i] = '110111001111111100100001000101100'
i+= 1; a[i] = '011100111010000101000111010001010'
i+= 1; a[i] = '011110000110001111110101100000011'
i+= 1; a[i] = '111111111111111000111001001011000'
i+= 1; a[i] = '111000010111010011010011010100100'
i+= 1; a[i] = '101010100010110010110101010000010'
i+= 1; a[i] = '101100000101010001111101000000000'
i+= 1; a[i] = '000010100011001101000111101011010'
i+= 1; a[i] = '101001001111101111000101010001110'
i+= 1; a[i] = '101101111111000100100001110001000'
i+= 1; a[i] = '000010011000100110000011010000010'
i+= 1; a[i] = '001101101001101110010010011011000'
i+= 1; a[i] = '011101011010001000111101010100110'
i+= 1; a[i] = '111010100110011101001101000001110'
i+= 1; a[i] = '110001010010101111000101111111000'
i+= 1; a[i] = '001000111011100001010110111110000'
i+= 1; a[i] = '000000001110010110100010100010110'
i+= 1; a[i] = '111111101000101111000110101011010'
i+= 1; a[i] = '100000100111010101111100100011011'
i+= 1; a[i] = '101110101001010000101000111111000'
i+= 1; a[i] = '101110100011010010010111111011010'
i+= 1; a[i] = '101110100100011011110110101110000'
i+= 1; a[i] = '100000100110011001111100111100000'
i+= 1; a[i] = '111111101101000101001101110010001'
m = raw_input().split()
print a[int(m[0])][int(m[1])]