import java.util.Scanner;

public class Abbreviate{
  public static void main(String[] args){
    Scanner console = new Scanner(System.in);
    String word="";
    int n;
    while(!word.equals("goodbye")){
      System.out.print("Enter a word with 7 or more letters: ");
      word = console.nextLine();
      word = word.trim();  // get rid of leading and trailing spaces
      n = word.length();
      // you write the code here to test if the words has 7 or more letters
      // and either print an error message or form the abbreviation...
      if(n>=7){
        String newWord = word.substring(0,4)+(n-5)+word.substring(n-1);
        System.out.println("The abbreviation of "+word+" is "+newWord);
      } else{
        System.out.println("The word must have length 7 or more");
      }

    }
  }
}