#485. Numbers with digit sum 10
You get n. How many numbers from 1 to n have a digit sum equal to 10?
### Input
One integer n (1 ≤ n ≤ 10⁵).
### Output
A number.
Examples
Input
98581
Output
996
Input
85352
Output
992
💡 You can solve it with Python, JavaScript or blocks. Read the input line by line with input(). Don't print a question (like input("Number: ")). Print exactly what the output asks for, nothing more.