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.*; 
class Main 
{
public static void main(String args[]) 
{
Scanner sc = new Scanner(System.in); 
int n = Integer.parseInt(sc.nextLine()); 
String s = sc.nextLine(); 
int l= s.length(); 
if(l<=n) 
{
System.out.print(s);
} 
else 
{ 
System.out.print((s.substring(0,n))+"...");    
}
} 
}