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;
void _fill_int(int* p, int val, int rep) {
  int i;
  for (i = 0; i < rep; i++) p[i] = val;
}
int GETi() {
  int i;
  scanf("%d", &i);
  return i;
}
template <class T>
T sqr(T val) {
  return val * val;
}
char ss[100][100] = {
    "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",
};
void solve() {
  int f, r, i, j, k, l, x, y;
  int ma = 0;
  x = GETi();
  y = GETi();
  printf("%c\n", ss[x][y]);
  return;
}
int main(int argc, char** argv) {
  if (argc > 1) freopen(argv[1], "r", stdin);
  solve();
  return 0;
}