import java.util.*; import java.util.zip.DataFormatException; import java.io.*; import java.text.ParseException; import java.text.SimpleDateFormat; public class Main{ static String stdName(String s){ String[] n = s.toLowerCase().split("[' ']+"); String r = ""; for(int i=0; i a = new ArrayList<>(); for(int i=1; i<=n; i++){ sc.nextLine(); a.add(new cus(i, sc.nextLine(), sc.nextInt(), fomartDay(sc.next()), fomartDay(sc.next()), sc.nextInt())); } Collections.sort(a, new Comparator() { @Override public int compare(cus a, cus b){ return b.bill - a.bill; } }); a.forEach(e -> System.out.println(e)); } }