#include <bits/stdc++.h>

#define NMAX 1000001

using namespace std;

ifstream fin("elmaj.in");
ofstream fout("elmaj.out");

void sortMajority(int n, int v[]) {
    sort(v + 1, v + n + 1);
    int i = 0, afisat = 0;
    while (i < n) {
        int j = i;
        while (j < n && v[j + 1] == v[i])
            j++;
        if (j - i + 1 > n / 2) {
            afisat = 1;
            fout << v[i] << ' ' << j - i + 1;
        }
        i = j + 1;
    }
    if (afisat == 0)
        fout << -1;
}

int main() {
    int i, n, v[NMAX];
    fin >> n;
    for (i = 1; i <= n; i++)
        fin >> v[i];
    sortMajority(n, v);
    return 0;
}