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 s = new Scanner(System.in);
		int n = s.nextInt();
		String y = s.next();

		if (n < y.length()) {
			y = y.substring(0, n);
			System.out.println(y + "...");

		} else
			System.out.println(y);

	}
}

