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'b00000001; 
            3'b001: y = 8'b00000010;
            3'b010: y = 8'b00000100;
            3'b011: y = 8'b00001000; 
            3'b100: y = 8'b00010000;
            3'b101: y = 8'b00100000; 
            3'b110: y = 8'b01000000; 
            3'b111: y = 8'b10000000; 
            default: y = 8'b00000000;
        endcase
    end
endmodule