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 in = new Scanner(System.in);
		int k = Integer.parseInt(in.nextLine());
		String s = in.nextLine();
		if(s.length() > k) {
			String mod_s = s.substring(0,k) + "...";
			System.out.println(mod_s);
		} else {
			System.out.println(s);
		}
	}
}