主题：请问这样写法对吗??

多条件:=(r13>=5 and r13<=7) or (r13>=8 and r13<=10) or (r13>=11 and r13<=13) or (r13>=14 and r13<=16) or (r13>=17 and r13<=19) or (r13>=20 and r13<=22) or (r13>=23 and r13<=25) or (r13>=26 and r13<=28) or (r13>=29 and r13<=31); 空条件:=(r14>=5 and r14<=7) or (r14>=8 and r14<=10) or (r14>=11 and r14<=13) or (r14>=14 and r14<=16) or (r14>=17 and r14<=19) or (r14>=20 and r14<=22) or (r14>=23 and r14<=25) or (r14>=26 and r14<=28) or (r14>=29 and r14<=31);