#include <iostream>
#include <fstream>
using namespace std;

int main()
{
        ifstream in("fructe.in");
       ofstream out("fructe.out");
       int n,i,p,b,d;
       in >> n;
       // 0 = portocala si 1= banana
       for(i=1;i<=n;i++) {
            in >> p >> b;

        /*    b-=p;
            p=0;

            if(p==0) {
                out << "1"
                else
                    out << "0";
            }*/
            if(p==b)
                out << "1";
            else
                out << "0";

       }

       in.close();
       out.close();
    return 0;
}