import java.io.*;
import java.util.*;

public class Main {
	public static void main(String[] args) throws Exception {
		try (BufferedReader br = new BufferedReader(new InputStreamReader(System.in))) {
			int n = Integer.parseInt(br.readLine());
			Map<String, Integer> map = new HashMap<>();
			int max = 0;
			for (int i = 0; i < n; i++) {
				String s = br.readLine();
				int val = map.containsKey(s) ? map.get(s) + 1 : 1;
				map.put(s, val);
				max = Math.max(max, val);
			}
			List<String> list = new ArrayList<>();
			for (String key : map.keySet()) if (map.get(key) == max) list.add(key);
			Collections.sort(list);
//			PrintWriter out = new PrintWriter(System.out);
			for (String s : list) System.out.println(s);
//			out.flush();
		}
	}
} import java.io.*; io.* java import java.util.*; util.* java public class Main {
	public static void main(String[] args) throws Exception {
		try (BufferedReader br = new BufferedReader(new InputStreamReader(System.in))) {
			int n = Integer.parseInt(br.readLine());
			Map<String, Integer> map = new HashMap<>();
			int max = 0;
			for (int i = 0; i < n; i++) {
				String s = br.readLine();
				int val = map.containsKey(s) ? map.get(s) + 1 : 1;
				map.put(s, val);
				max = Math.max(max, val);
			}
			List<String> list = new ArrayList<>();
			for (String key : map.keySet()) if (map.get(key) == max) list.add(key);
			Collections.sort(list);
//			PrintWriter out = new PrintWriter(System.out);
			for (String s : list) System.out.println(s);
//			out.flush();
		}
	}
} Main public static void main(String[] args) throws Exception {
		try (BufferedReader br = new BufferedReader(new InputStreamReader(System.in))) {
			int n = Integer.parseInt(br.readLine());
			Map<String, Integer> map = new HashMap<>();
			int max = 0;
			for (int i = 0; i < n; i++) {
				String s = br.readLine();
				int val = map.containsKey(s) ? map.get(s) + 1 : 1;
				map.put(s, val);
				max = Math.max(max, val);
			}
			List<String> list = new ArrayList<>();
			for (String key : map.keySet()) if (map.get(key) == max) list.add(key);
			Collections.sort(list);
//			PrintWriter out = new PrintWriter(System.out);
			for (String s : list) System.out.println(s);
//			out.flush();
		}
	} main {
		try (BufferedReader br = new BufferedReader(new InputStreamReader(System.in))) {
			int n = Integer.parseInt(br.readLine());
			Map<String, Integer> map = new HashMap<>();
			int max = 0;
			for (int i = 0; i < n; i++) {
				String s = br.readLine();
				int val = map.containsKey(s) ? map.get(s) + 1 : 1;
				map.put(s, val);
				max = Math.max(max, val);
			}
			List<String> list = new ArrayList<>();
			for (String key : map.keySet()) if (map.get(key) == max) list.add(key);
			Collections.sort(list);
//			PrintWriter out = new PrintWriter(System.out);
			for (String s : list) System.out.println(s);
//			out.flush();
		}
	} try (BufferedReader br = new BufferedReader(new InputStreamReader(System.in))) {
			int n = Integer.parseInt(br.readLine());
			Map<String, Integer> map = new HashMap<>();
			int max = 0;
			for (int i = 0; i < n; i++) {
				String s = br.readLine();
				int val = map.containsKey(s) ? map.get(s) + 1 : 1;
				map.put(s, val);
				max = Math.max(max, val);
			}
			List<String> list = new ArrayList<>();
			for (String key : map.keySet()) if (map.get(key) == max) list.add(key);
			Collections.sort(list);
//			PrintWriter out = new PrintWriter(System.out);
			for (String s : list) System.out.println(s);
//			out.flush();
		} {
			int n = Integer.parseInt(br.readLine());
			Map<String, Integer> map = new HashMap<>();
			int max = 0;
			for (int i = 0; i < n; i++) {
				String s = br.readLine();
				int val = map.containsKey(s) ? map.get(s) + 1 : 1;
				map.put(s, val);
				max = Math.max(max, val);
			}
			List<String> list = new ArrayList<>();
			for (String key : map.keySet()) if (map.get(key) == max) list.add(key);
			Collections.sort(list);
//			PrintWriter out = new PrintWriter(System.out);
			for (String s : list) System.out.println(s);
//			out.flush();
		} BufferedReader br = new BufferedReader(new InputStreamReader(System.in)) BufferedReader br = new BufferedReader(new InputStreamReader(System.in)) new BufferedReader(new InputStreamReader(System.in)) int n = Integer.parseInt(br.readLine()); n Integer.parseInt(br.readLine()) Integer.parseInt Integer br.readLine() br.readLine br Map<String, Integer> map = new HashMap<>(); map new HashMap<>() int max = 0; max 0 for (int i = 0; i < n; i++) {
				String s = br.readLine();
				int val = map.containsKey(s) ? map.get(s) + 1 : 1;
				map.put(s, val);
				max = Math.max(max, val);
			} int i = 0; int i = 0; i 0 i < n i n i++ i++ i {
				String s = br.readLine();
				int val = map.containsKey(s) ? map.get(s) + 1 : 1;
				map.put(s, val);
				max = Math.max(max, val);
			} {
				String s = br.readLine();
				int val = map.containsKey(s) ? map.get(s) + 1 : 1;
				map.put(s, val);
				max = Math.max(max, val);
			} String s = br.readLine(); s br.readLine() br.readLine br int val = map.containsKey(s) ? map.get(s) + 1 : 1; val map.containsKey(s) ? map.get(s) + 1 : 1 map.containsKey(s) map.containsKey map s map.get(s) + 1 map.get(s) map.get map s 1 1 map.put(s, val) map.put map s val max = Math.max(max, val) max Math.max(max, val) Math.max Math max val List<String> list = new ArrayList<>(); list new ArrayList<>() for (String key : map.keySet()) if (map.get(key) == max) list.add(key); String key map.keySet() map.keySet map if (map.get(key) == max) list.add(key); if (map.get(key) == max) list.add(key); map.get(key) == max map.get(key) map.get map key max list.add(key) list.add list key Collections.sort(list) Collections.sort Collections list for (String s : list) System.out.println(s); String s list System.out.println(s); System.out.println(s) System.out.println System.out System System.out s String[] args args public class Main {
	public static void main(String[] args) throws Exception {
		try (BufferedReader br = new BufferedReader(new InputStreamReader(System.in))) {
			int n = Integer.parseInt(br.readLine());
			Map<String, Integer> map = new HashMap<>();
			int max = 0;
			for (int i = 0; i < n; i++) {
				String s = br.readLine();
				int val = map.containsKey(s) ? map.get(s) + 1 : 1;
				map.put(s, val);
				max = Math.max(max, val);
			}
			List<String> list = new ArrayList<>();
			for (String key : map.keySet()) if (map.get(key) == max) list.add(key);
			Collections.sort(list);
//			PrintWriter out = new PrintWriter(System.out);
			for (String s : list) System.out.println(s);
//			out.flush();
		}
	}
} public class Main {
	public static void main(String[] args) throws Exception {
		try (BufferedReader br = new BufferedReader(new InputStreamReader(System.in))) {
			int n = Integer.parseInt(br.readLine());
			Map<String, Integer> map = new HashMap<>();
			int max = 0;
			for (int i = 0; i < n; i++) {
				String s = br.readLine();
				int val = map.containsKey(s) ? map.get(s) + 1 : 1;
				map.put(s, val);
				max = Math.max(max, val);
			}
			List<String> list = new ArrayList<>();
			for (String key : map.keySet()) if (map.get(key) == max) list.add(key);
			Collections.sort(list);
//			PrintWriter out = new PrintWriter(System.out);
			for (String s : list) System.out.println(s);
//			out.flush();
		}
	}
} Main
import java.io.*;
import java.util.*;

public class Main {
	public static void main(String[] args) throws Exception {
		try (BufferedReader br = new BufferedReader(new InputStreamReader(System.in))) {
			int n = Integer.parseInt(br.readLine());
			Map<String, Integer> map = new HashMap<>();
			int max = 0;
			for (int i = 0; i < n; i++) {
				String s = br.readLine();
				int val = map.containsKey(s) ? map.get(s) + 1 : 1;
				map.put(s, val);
				max = Math.max(max, val);
			}
			List<String> list = new ArrayList<>();
			for (String key : map.keySet()) if (map.get(key) == max) list.add(key);
			Collections.sort(list);
//			PrintWriter out = new PrintWriter(System.out);
			for (String s : list) System.out.println(s);
//			out.flush();
		}
	}
}