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