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:
a=[]
a.append('111111101010101111100101001111111')
a.append('100000100000000001010110001000001')
a.append('101110100110110000011010001011101')
a.append('101110101011001001111101001011101')
a.append('101110101100011000111100101011101')
a.append('100000101010101011010000101000001')
a.append('111111101010101010101010101111111')
a.append('000000001111101111100111100000000')
a.append('100010111100100001011110111111001')
a.append('110111001111111100100001000101100')
a.append('011100111010000101000111010001010')
a.append('011110000110001111110101100000011')
a.append('111111111111111000111001001011000')
a.append('111000010111010011010011010100100')
a.append('101010100010110010110101010000010')
a.append('101100000101010001111101000000000')
a.append('000010100011001101000111101011010')
a.append('101001001111101111000101010001110')
a.append('101101111111000100100001110001000')
a.append('000010011000100110000011010000010')
a.append('001101101001101110010010011011000')
a.append('011101011010001000111101010100110')
a.append('111010100110011101001101000001110')
a.append('110001010010101111000101111111000')
a.append('001000111011100001010110111110000')
a.append('000000001110010110100010100010110')
a.append('111111101000101111000110101011010')
a.append('100000100111010101111100100011011')
a.append('101110101001010000101000111111000')
a.append('101110100011010010010111111011010')
a.append('101110100100011011110110101110000')
a.append('100000100110011001111100111100000')
a.append('111111101101000101001101110010001')
x,y=map(int,raw_input().split())
print a[x][y]