+1347 (a) Find the number of ways that Magnus can give out 12 identical stickers to 12 of his friends. (Not everyone has to get a sticker.)
(b) Find the number of ways that Magnus can give out 12 identical stickers to 12 of his friends, if every friend gets at least one sticker.
+90 For the second part, it's 12!, which is 12*11*10*...*2*1, which is 479,001,600
