Problem Statement

We have a string $S$ consisting of lowercase English letters.

If the length of $S$ is at most $K$, print $S$ without change.

If the length of $S$ exceeds $K$, extract the first $K$ characters in $S$, append ... to the end of them, and print the result.

Constraints

• $K$ is an integer between $1$ and $100$ (inclusive).
• $S$ is a string consisting of lowercase English letters.
• The length of $S$ is between $1$ and $100$ (inclusive).

Input

Input is given from Standard Input in the following format:

K
S

Output

Print a string as stated in Problem Statement.