#abc168b. [abc168_b]... (Triple Dots)

[abc168_b]... (Triple Dots)

Problem Statement

We have a string SS consisting of lowercase English letters.

If the length of SS is at most KK, print SS without change.

If the length of SS exceeds KK, extract the first KK characters in SS, append ... to the end of them, and print the result.

Constraints

  • KK is an integer between 11 and 100100 (inclusive).
  • SS is a string consisting of lowercase English letters.
  • The length of SS is between 11 and 100100 (inclusive).

Input

Input is given from Standard Input in the following format:

KK SS

Output

Print a string as stated in Problem Statement.


Sample Input 1

7
nikoandsolstice

Sample Output 1

nikoand...

nikoandsolstice has a length of 1515, which exceeds K=7K=7.

We should extract the first 77 characters in this string, append ... to the end of them, and print the result nikoand....


Sample Input 2

40
ferelibenterhominesidquodvoluntcredunt

Sample Output 2

ferelibenterhominesidquodvoluntcredunt

The famous quote from Gaius Julius Caesar.