Problems
Row of numbers
Row of numbers
All integers starting with $1$ are written in one line $"123456789101112131415..."$. Your task is to print the $n$-th digit of this string (digits are numbered starting with $1$).
\InputFile
One integer $n~(1 \le n \le 10000)$ --- the position of the digit you need to print.
\OutputFile
Print the $n$-th digit of the line.
Input example #1
5
Output example #1
5
Input example #2
15
Output example #2
2