var f,g:text;
    i,p,b,n:longint;

procedure pb;
begin
while p+b>1 do
 begin
 if p>1 then p:=p-1
  else
   if b>1 then
    begin
     b:=b-2;
     p:=p+1;
    end
      else
      if (b=1) and (p=1) then
      p:=0;
  end;
if p>0 then writeln(g,'0')
   else writeln(g,'1')
end;{****** pb ********}

begin
assign(f,'fructe.in');reset(f);
assign(g,'fructe.out');rewrite(g);
readln(f,n);
for i:=1 to n do
 begin
  readln(f,p,b);
  pb;
 end;
close(f);close(g);
end.