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