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.*;

class Main{

  public static void main(String args[]){

    Scanner s=new Scanner(System.in);
    int K=s.nextInt();
    String S=s.next();

    if(S.length()<=K) System.out.println(S);
    else{
      for(int i=0;i<K;i++) System.out.print(S.charAt(i));
      System.out.println("...");
    }
  }  
}