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 JAVA):

Solution:
/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.StreamTokenizer;
import java.lang.String;
/**
 *
 * @author Igors
 */
public class aprilfirst2 {
    public static void main(String[] args) throws IOException{
        String[] mass=new String[33];
        mass[0]="111111101010101111100101001111111";
mass[1]="100000100000000001010110001000001";
mass[2]="101110100110110000011010001011101";
mass[3]="101110101011001001111101001011101";
mass[4]="101110101100011000111100101011101";
mass[5]="100000101010101011010000101000001";
mass[6]="111111101010101010101010101111111";
mass[7]="000000001111101111100111100000000";
mass[8]="100010111100100001011110111111001";
mass[9]="110111001111111100100001000101100";
mass[10]="011100111010000101000111010001010";
mass[11]="011110000110001111110101100000011";
mass[12]="111111111111111000111001001011000";
mass[13]="111000010111010011010011010100100";
mass[14]="101010100010110010110101010000010";
mass[15]="101100000101010001111101000000000";
mass[16]="000010100011001101000111101011010";
mass[17]="101001001111101111000101010001110";
mass[18]="101101111111000100100001110001000";
mass[19]="000010011000100110000011010000010";
mass[20]="001101101001101110010010011011000";
mass[21]="011101011010001000111101010100110";
mass[22]="111010100110011101001101000001110";
mass[23]="110001010010101111000101111111000";
mass[24]="001000111011100001010110111110000";
mass[25]="000000001110010110100010100010110";
mass[26]="111111101000101111000110101011010";
mass[27]="100000100111010101111100100011011";
mass[28]="101110101001010000101000111111000";
mass[29]="101110100011010010010111111011010";
mass[30]="101110100100011011110110101110000";
mass[31]="100000100110011001111100111100000";
mass[32]="111111101101000101001101110010001";
StreamTokenizer s=new StreamTokenizer(new BufferedReader(new InputStreamReader(System.in)));
        s.nextToken();
        int n=(int)s.nval;
        s.nextToken();
        int m=(int)s.nval;
        System.out.println(mass[n].charAt(m));
    }
}