module display(); reg A; reg B; reg C; wire led0; reg led1; reg led2; reg led3; reg led4; reg led5; reg led6; reg led7; wire notA; wire notB; wire notC; wire and_one; wire and_two; wire out1; not U1(notA, A); not U2(notB, B); not U3(notc, C); and (and_one,notA,notB); and (and_two,notC,B); or (led0,and_one,and_two); initial begin A = 0; B = 1; C = 1; #1 $display (led0); end endmodule