#include <cmath>
#include <cstdio>
#include <vector>
#include <iostream>
#include <algorithm>
using namespace std;


int main() {
    /* Enter your code here. Read input from STDIN. Print output to STDOUT */   
    int n,m;
    cin>>n>>m;
    if(n%2 == 0 || m%2==0)
    cout << "1";
    else
        cout<<"0";
    return 0;
}