#include <iostream>
#include <fstream>
using namespace std;
int T,B,P;
int main()
{
    ifstream f("fructe.in");
    ofstream g("fructe.out");
    f>>T;
    while(T--)
    {
        f>>P>>B;
        B=B%2;
        P=P%2;
        if((B==1) && (P==1))g<<"1\n";
        else if((B==0)&&(P==1))g<<"0\n";
        else if((B==1)&&(P==1))g<<"1\n";
        else g<<"0\n";
    }
    f.close();
    g.close();
    return 0;

}