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:
#!/usr/bin/env python
# -*- coding: utf-8 -*-
import sys

numbers = """
    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
""".split()

a1, a2 = map(int, sys.stdin.readline().strip().split())
print numbers[a1][a2]