import java.io.FileReader;
import java.io.IOException;
import java.io.LineNumberReader;
public class LineNumberIOApp {
public static void main(String args[]) throws IOException {
FileReader inFile = new FileReader("LineNumberIOApp.java");
LineNumberReader inLines = new LineNumberReader(inFile);
String inputLine;
while ((inputLine = inLines.readLine()) != null) {
System.out.println(inLines.getLineNumber() + ". " + inputLine);
}
}
}