临近三八购物节，很多品牌都在做活动，华为官方旗舰店也在降价促销，现在领取优惠券，券后仅需1199元就能入手华为智选Hi nova 9z 5G手机，这款手机采用6.67英寸LCD屏幕，屏幕分辨率2376×1080，支持120Hz高刷新率。
Imagine I have a stack-based toy language that comes with the operations Push, Pop, Jump and If. I have a program and its input is the toy language. For instance I get the sequence
加载中,请稍侯......