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.

Examples

Input

7
nikoandsolstice


Output

nikoand...


Input

40
ferelibenterhominesidquodvoluntcredunt


Output

ferelibenterhominesidquodvoluntcredunt
import java.util.*;

public class Main{
public static void main(String[] args)
{
	Scanner sc=new Scanner(System.in);
  int k=sc.nextInt();
  String s=sc.next();
  
  if(s.length()<=k)
    System.out.println(s);
  
  else
  {
		s=s.substring(0,k) +"...";
      System.out.print(s);
    
  }
  
 
}
}
