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;
vector<string> explode(const string &str, const char &ch) {
  string buffer = "";
  vector<string> result;
  for (string::const_iterator it = str.begin(); it != str.end(); ++it) {
    if (*it == ch) {
      if (!buffer.empty()) {
        result.push_back(buffer);
        buffer.erase();
      }
    } else {
      buffer += *it;
    }
  }
  if (!buffer.empty()) {
    result.push_back(buffer);
  }
  return result;
}
int main() {
  string str =
      "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";
  vector<string> v = explode(str, ' ');
  int a1;
  cin >> a1;
  int a2;
  cin >> a2;
  cout << v[a1][a2];
  return 0;
}