import java.util.*; public class Main { public static void main(String[] args) { Scanner scanner = new Scanner(System.in); String s = scanner.nextLine(); String[] strings = s.split(" "); int[] arr = new int[strings.length]; for (int i = 0; i < strings.length; i++) { arr[i] = Integer.parseInt(strings[i]); } HashMap<Integer,Integer> map = new HashMap(); for (int i = 0; i < arr.length; i++) { if (map.containsKey(arr[i])){ map.put(arr[i],(map.get(arr[i]) + 1)); }else { map.put(arr[i],1); } } ArrayList<Integer> list = new ArrayList<>(); Set<Map.Entry<Integer, Integer>> entries = map.entrySet(); for (Map.Entry<Integer, Integer> entry : entries) { if (entry.getValue() >= (arr.length / 2)){ list.add(entry.getKey()); } } for (Integer integer : list) { System.out.println(integer); } } }