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.Scanner;

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 + "...");
			}

	}

}
