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#include <bits/stdc++.h> using namespace std; int a,b; int main() { cin>>a>>b; int c=a&b; cout<<c; return 0; }

#include<bits/stdc++.h>
using namespace std;
int a,b; 
int main(){
	cin>>a>>b;
	int c=a&b;
	cout<<c;
	


	return 0;
}

#include<bits/stdc++.h>
using namespace std;
int main()
{
	int a,b,c=0;
	cin>>a>>b;
	c=a&b;
	cout<<c;
return 0;
}