XUATDS PASCAL

var n,i:longint;
begin
    assign(input,'xuatds.inp');reset(input);
    assign(output,'xuatds.out');rewrite(output);
    readln(n);
    for i:=1 to n do 
        write(2*i,' ');
    writeln;
    for i:=1 to n+1 do 
        write(i*2-1,' ');
end.