" Wait,” she said, suddenly stopping. “What if Grandfather Frost comes and there’s no tree, where will he put his presents?” He was at a loss. No sensible answer suggested itself. He felt infinitely weary. “Perhaps we should paint a fir tree on the wall to tell him where,” said Sonya, pondering the matter aloud. “Got any green paint?” “No,” said Viktor. “I know what – we’ll leave a note in the kitchen saying put them on the table.” Sonya thought. “Under is better.” “Why?” “So nobody sees. "

― Andrey Kurkov , Death and the Penguin