var t,i,p,b:longint;
    f,g:text;
begin
assign(f,'fructe.in');reset(f);
assign(g,'fructe.out');rewrite(g);
read(f,t);
for i:=1 to t do begin
                 readln(f,p,b);
                 if b mod 2=0 then write(g,0)
                              else write(g,1);
                 end;
close(f);
close(g);
end.