How do you plan to solve it?
module sr_latch_enable ( input EN, input S, input R, output reg Q, output reg Qn ); always @(*) begin if (EN) begin if (R) begin Q = 1'b0; Qn = 1'b1; end else if (S) begin Q = 1'b1; Qn = 1'b0; end end end endmodule