void main(){

    import std.stdio: writeln;

    import std.format: format;

    ubyte[] a = [159, 199, 22, 163, 13, 74, 145, 73, 158, 112, 7, 192, 12, 193, 7, 194];

    string b = format("%(%.2X%)",a);

    writeln(b);

}