#include <iostream>
#include <fstream>

using namespace std;
ifstream in("fructe.in");
ofstream out("fructe.out");

int main()
{
    int iTest,iPortocale, iBanane;

    in>>iTest;
    while(--iTest)
    {
        in>>iPortocale>>iBanane;
        if(iBanane%2==0)

            out<<'0'<<'\n';

        else

            out<<'1'<<'\n';
    }
    return 0;
}