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 CPP):

Solution:
#include <bits/stdc++.h>
using namespace std;
template <class _T>
inline string tostr(const _T& a) {
  ostringstream os("");
  os << a;
  return os.str();
}
const double pi = 3.1415926;
const long double eps = 1e-9;
const int N = (int)1e5 + 5;
const int INF = (int)1e9 + 10;
const double EPS = 0.00001;
string mas =
    "111111101010101111100101001111111"
    "100000100000000001010110001000001"
    "101110100110110000011010001011101"
    "101110101011001001111101001011101"
    "101110101011001001111101001011101"
    "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";
int main() {
  int r, c;
  cin >> r >> c;
  cout << mas[r * 33 + c];
}