67. Decoder

How do you plan to solve it?

module decoder3to8(
    input [2:0]s,
    output reg [7:0]y
);

    always@(*)begin
        case(s)
        3'b000 : y = 8'b0000_0001;
        3'b001 : y = 8'b0000_0010;
        3'b010 : y = 8'b0000_0100;
        3'b011 : y = 8'b0000_1000;
        3'b100 : y = 8'b0001_0000;
        3'b101 : y = 8'b0010_0000;
        3'b110 : y = 8'b0100_0000;
        3'b111 : y = 8'b1000_0000;
        default: y = 8'b0000_0000;
        endcase
    end
    endmodule