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.*;
import java.lang.*;
import java.io.*;

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.substring(0, K)+"...");
        else System.out.println(S);
    
    }
}
