#include <iostream>
#include <fstream>

using namespace std;

ifstream fin("fructe.in");
ofstream fout("fructe.out");

int n, a, b;

int main()
{
    fin >> n;
    while(n--)
    {
        fin >> a >> b;
        fout << b % 2 << '\n';
    }
    return 0;
}