#include<fstream>
using namespace std;
ifstream f("fructe.in");
ofstream g("fructe.out");
int t,p,b,i;
int main(){
	f>>t;
	for(i=1;i<=t;i++){
		f>>p>>b;
		g<<b%2<<'\n';
	}
	g.close();
	return 0;
}