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.

Input

Input is given from Standard Input in the following format:
K
S

Output

Print a string as stated in Problem Statement.

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).

Sample Input 1

7
nikoandsolstice

Sample Output 1

nikoand...

nikoandsolstice has a length of 15, which exceeds K=7.
We should extract the first 7 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.

见题面 Input 部分

见题面 Output 部分