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 PYTHON3):

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