A number is considered perfect if its digits sum is exactly 10.
Given a positive integer n,return the n-th perfect number.
for example, given 1,you should return 19. Given 2 you should return 28.
A number is considered perfect if its digits sum is exactly 10.
Given a positive integer n,return the n-th perfect number.
for example, given 1,you should return 19. Given 2 you should return 28.