module oh_ao221 #(parameter DW = 1 ) // array width
   (
    input [DW-1:0]  a0,
    input [DW-1:0]  a1,
    input [DW-1:0]  b0,
    input [DW-1:0]  b1,
    input [DW-1:0]  c0,
    output [DW-1:0] z
    );
   
   assign z = (a0 & a1) | (b0 & b1) | (c0);
   
endmodule