var f,g:text;i,t,p,b:longint;
begin
assign(f,'frcte.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=1 then write(g,'0')
          else write(g,'1');
  end;
close(f);close(g);
end.