zy

z:(FRACPART(H*10)=0 OR FRACPART(10*FRACPART(H))=0.9 OR FRACPART(H*10)*1.1=FRACPART(H)) AND H=HHV(H,20) AND H>MAX(C,O);

y:(FRACPART(L*10)=0 OR FRACPART(10*FRACPART(L))=0.9 OR FRACPART(L*10)*1.1=FRACPART(L)) AND L=LLV(L,20);