import java.io.LineNumberReader;
import java.io.Reader;
import java.io.StringReader;

public class JI9059238 {

	public static void main(String[] args) throws Exception {
		final String string = "foo\r\nbar"; 
		try (final Reader reader = new LineNumberReader(new StringReader(string), 5)) { 
			reader.read(); 
			reader.read(); 
			reader.read(); 
			reader.read(); 
			reader.mark(1); 
			reader.read(); 
			reader.reset(); //error! 
			System.out.print((char)reader.read()); 
			System.out.print((char)reader.read()); 
			System.out.println((char)reader.read()); 
		} 

	}

}