Zero=[].size One=[[]].size Two=One<>=One c&=ADDMSK end end a end def sub(a,b) add(~add(~Zero,b),a) end Mo=One|Two|Four|One<Zero ret=add(ret,a) if (b&One)>Zero a=add(a,a) b>>=One end ret end def div(a,b) ret=Zero while a>=b i=Zero while a>=b<Zero e=M(e,x) if (n&One)>Zero x=M(x,x) n>>=One end p mod(add(e[Zero],e[One]<