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 (GCC 9.2.1) (judge verdict: Wrong Answer)

#include <stdio.h>
int main()
{
      int n;
      scanf("%d",&n);
      
        char a[n+1],x;
        
              
           for(int i=-2;scanf("%c",&x)!=EOF;i++)
           {       
                            if(i<n+1)
                {             if(i==n)
                             { printf("...");
                            break;}
                                 printf("%c",x);
                         //    a[i]=x;
                }
               
           }
     
               //   for(int i=0;i<n+1;i++)
                   
                  //      if(a[n+2]!=-1)
                          
    
    return 0;
}