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: Wrong Answer)

#include<stdio.h>
#include<string.h>
int main(){
  
 int k,m,l;
 char s[101],c[101];
  
  scanf("%d",&k);
  scanf("%s",s);
  
  m=strlen(s);

  if (m <= k)
  {
    printf("%s",s);
  } else {
  strncpy(c,s,m);
  c[m]='.';
    c[m+1]='.';
      c[m+2]='.';
        c[m+3]='\0';
    
    
  printf("%s",c);
  
  }
  return 0;
}