Problem:
Score: 200 points

Problem Statement

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.

Sample Input 1

7
nikoandsolstice

Sample Output 1

nikoand...

nikoandsolstice has a length of 15, which exceeds K=7.

We should extract the first 7 characters in this string, append ... to the end of them, and print the result nikoand....

Sample Input 2

40
ferelibenterhominesidquodvoluntcredunt

Sample Output 2

ferelibenterhominesidquodvoluntcredunt

The famous quote from Gaius Julius Caesar.

Solution in C++ (Clang 10.0.0) (judge verdict: Accepted)

#include <stdio.h>
#include <string.h>

int main() {
	int n;
	scanf("%d", &n);
	
	char arr[255];
	scanf("%s", &arr);
	
	int len = strlen(arr);
	if(len > n){
		for(int i = 0; i < n; i++){
			printf("%c", arr[i]);
		}
		printf("...\n");
	}
	
	else{
		printf("%s\n", arr);
	}
	return 0;
}