import java.io.*;
import java.util.HashMap;
import java.util.Scanner;
import java.util.Set;

public class Main {

    private static PrintWriter printWriter;
    private static Scanner scanner;

    public static void main(String[] args) throws IOException {
        scanner = new Scanner(new FileReader("elmaj.in"));
        printWriter = new PrintWriter("elmaj.out");

        HashMap<Integer, Integer> hashTable = new HashMap<>();
        int x, n;
        n = scanner.nextInt();
        for (int i = 0; i < n; i++) {
            x = scanner.nextInt();
            Integer valueForKeyX = hashTable.get(x);
            if (valueForKeyX != null) {
                hashTable.put(x, valueForKeyX + 1);
            } else {
                hashTable.put(x, 1);
            }
        }

        boolean gasit = false;
        Set<Integer> keys = hashTable.keySet();
        for (Integer key : keys) {
            int val = hashTable.get(key);
            if (val > n/2) {
                printWriter.printf("%d %d", key, val);
                gasit = true;
                break;
            }
        }

        if (!gasit) {
            printWriter.print(-1);
        }

        printWriter.close();
        scanner.close();
    }
}