module LUT6
#(
    parameter [63:0] INIT = 64'h0000000000000000
)
(
    input  wire I0, I1, I2, I3, I4, I5,
    output wire O
);
    wire [5:0] _w_idx = { I5, I4, I3, I2, I1, I0 };
    
    assign O = INIT[_w_idx];

endmodule