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);
        String o="";
        int x=sc.nextInt();
        String y=sc.next();
        if(y.length()<=x)o=y;
      	else o=y.substring(0,x)+"...";
      System.out.println(o);
    }
    
}