Given a two-digit number. Determine if the sum of its digits is a two-digit number. If not, then after how many numbers to meet the first two-digit number that satisfies this condition.
Input
A single number is entered from the keyboard
N (
\(10 <= N <= 99\)).
Imprint
Display the word
YES if the sum of the digits of the number
N is a two-digit number, otherwise display a number that shows how many numbers from the original
N > meet the first number whose sum of digits will be a two-digit number.
Examples
| # |
Input |
Output |
| 1 |
65 |
YES |
| 2 |
25 |
3 |