import java.util.*;
import java.io.* ;

public class Lab8 {
  public static void main(String[] args) throws FileNotFoundException {
    ArrayList<String> paragraph = new ArrayList<String> ();
    Scanner input = new Scanner(new File("paragraph.txt"));
    int lines = 0;
    //int i = 0;
    //int j = 0;
    String pgraph = "";
    int counter = 0;

    while(input.hasNextLine()){
      paragraph.add(input.nextLine());
      lines ++;
    }
    System.out.println(paragraph.size());
    for (int i = 0; i < paragraph.size(); i++) {
      for (int j = 0; j < paragraph.get(i).length(); j++){
        System.out.println(i);
        //pgraph += paragraph.get(i).charAt(j);
        //System.out.println(pgraph);
   // }
      }
    for(i = 0; i < paragraph.size(); i++){
      //System.out.println(paragraph.get(i));
    }
    }
    //System.out.println(paragraph.get(1));



    //System.out.println("There are " + lines + " lines.");
    //System.out.print(pgraph);








    input.close();
  }
}