ӣţţ¼  ţţƭ  ţţ  ţţע  ţţͼ  ţţ  ţţ  ţţô  ţţ½  ţţô  ţţô  ţţƭ  ţţ  ţţ  ţţע  ţţô  ţţ  ţţ  ţţ