module SRsetresetAO21_V (
   s,
   s_ack,
   r1,
   r2,
   r3,
   r_ack,
   out
);

   input s;
   output s_ack;
   input r1;
   input r2;
   input r3;
   output r_ack;
   output out;
   wire w1;

   NA2 I0 (s, w1, out);
   ON211 I1 (r1, r2, r3, out, w1);
   OR2 I2 (s, w1, s_ack);
   AO31 I3 (r1, r2, r3, out, r_ack);
endmodule
  
 
