var
  n: integer;
begin
  readln(n);
  if (n>=1) and (n<=4) then
    writeln('few');
  if (n>=5) and (n<=9) then
    writeln('several');
  if (n>=10) and (n<=19) then
    writeln('pack');
  if (n>=20) and (n<=49) then
    writeln('lots');
  if (n>=50) and (n<=99) then
    writeln('horde');
  if (n>=100) and (n<=249) then
    writeln('throng');
  if (n>=250) and (n<=499) then
    writeln('swarm');
  if (n>=500) and (n<=999) then
    writeln('zounds');
  if n>=1000 then
    writeln('legion');
end.