Description

Given an integer, we can perform a truncation operation on it.
If $k$ is positive, we take the first $k$ digits from left to right. For example, if the input is $4$, we return the first $4$ digits, which is $1456$;
If $k$ is negative, we take the last $|k|$ digits from right to left. For example, if the input is $-3$, we return the last $3$ digits, which is $678$;
If the input is $0$, we return the original number, which is $145678$;
If the absolute value of the input number is greater than the number of digits in the given number (e.g., $8$ or $-8$), we return "$Error$".
Please implement this operation.

Input Format

The first line contains a positive integer $n$ ($1≤n≤10^9$).
The second line contains an integer $k$ ($−10≤k≤10$).

Output Format

Output a single line containing either an integer or "$Error$". If the returned number contains leading zeros, they should be removed.

Sample

33010
-3

10