#include<iostream>
#include<algorithm>
#include<fstream>

using  namespace std;

int main()
{
int a,b,s;

ifstream f("adunare.in");
ofstream g("adunare.out");
f>>a>>b;
s=a&b;
//cout<<"Rezultat="<<s<<endl;
g<<s;
f.close();
g.close();
}