package com.company;

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

public class Main {

    private static PrintWriter printWriter;
    private static Scan sc;
    private static final String INPUT_FILE = "elmaj.in";
    private static final String OUTPUT_FILE = "elmaj.out";

    public static void main(String[] args) throws IOException {
        sc = new Scan(INPUT_FILE);
        printWriter = new PrintWriter(OUTPUT_FILE);

        HashMap<Integer, Integer> hashTable = new HashMap<>();
        int x, n;
        n = sc.nextInt();
        for (int i = 0; i < n; i++) {
            x = sc.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();
        sc.close();
    }

    static class Scan {
        static BufferedReader br;
        static StringTokenizer st;

        Scan(String file) throws IOException {
            br = new BufferedReader(new FileReader(file));
        }

        String next() throws IOException {
            while (st == null || !st.hasMoreElements())
                st = new StringTokenizer(br.readLine());
            return st.nextToken();
        }

        int nextInt() throws IOException {
            return Integer.parseInt(next());
        }

        void close() throws IOException {
            br.close();
        }
    }
}