import java.io.FileReader;
import java.io.File;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.FileNotFoundException;
import java.util.concurrent.LinkedBlockingQueue;
import java.util.Queue;

public class Foo {
  public static void main(String args[]) throws FileNotFoundException {
    LinkedBlockingQueue<String> queue = new LinkedBlockingQueue<String>();
    int count = 0;

    Popper<String> thread = new Popper<String>(queue);
    thread.start();
    BufferedReader reader = new BufferedReader(new FileReader(new File(args[0])));
    try {
      String line;
      while ((line = reader.readLine()) != null ) {
        queue.add(line);
        count += 1;
      }
      System.out.println(count);
    } catch (IOException e) {
      // nothing, we break
    }
    thread.interrupt();
  }

}