import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;

public class JI9051464 {

	public static void main(String[] args) throws ParseException {
		final String startWeek = "201852"; 
		SimpleDateFormat sdf = new SimpleDateFormat("yyyyww"); 
		Calendar calStart = Calendar.getInstance(); 
		calStart.setTime(sdf.parse(startWeek)); 
		calStart.add(Calendar.WEEK_OF_YEAR, 1); 
		System.out.println(sdf.format(calStart.getTime())); 

	}

}