module jk_ff_enable (
input CLK,
input EN,
input J,
input K,
output reg Q
);
// Write your code here
wire q1;
assign q1 = J ? (K ? ~Q : 1) : (K ? 0 : Q);
always @(posedge CLK or posedge J or posedge K or negedge EN)
if (!EN)
Q <= Q;
else Q <= q1;
endmodule