L$6=\{$ w $\{0,1\}*$ : w represented as binary representation of a positive integer x

Such that

x $=22$n $-1,$ n $>=1\}$

L$7=\{$ w $\{$a$,$b$,$c$\}*$ : $|$w$|>=2,$ n b$($w$)+$nc$($w$)$ is odd, na$($w$)$ is even $,$ na$($w$)!=4\}$ Find FA's for the following languages