One well-known symbol of the philosophy of duality known as yin and yang is the taijitu.



Task

   Create a function that, given a parameter representing size, generates such a symbol scaled to the requested size.
   Generate and display the symbol for two different (small) sizes.


YinYang[size_] := 
 Graphics[{{Circle[{0, 0}, 2]}, {Disk[{0, 0}, 
     2, {90 Degree, -90 Degree}]}, {White, Disk[{0, 1}, 1]}, {Black, 
    Disk[{0, -1}, 1]}, {Black, Disk[{0, 1}, 1/4]}, {White, 
    Disk[{0, -1}, 1/4]}}, ImageSize -> 40 size]