A number is calledquasibinaryif its decimal representation contains only digits 0 or 1. For example, numbers 0, 1, 101, 110011— are quasibinary and numbers 2, 12, 900 are not.
You are given a positive integern. Represent it as a sum of minimum number of quasibinary numbers.
，伟人所达到并保持着的高处，并不是一飞就到的，
