;A correct veriliog code for AND gate with inputs a$,$ b and output y is

and g$($y$,$ a$,$ b$).$a O

and g$1($a$,$ b$,$ y$).$b O

AND G$1($A$,$ B$,$ Y$).$c O

AND g$1($A$,$ B$,$ Y$).$d O