#include <iostream>
#include <fstream>
#include <cstdlib>
#include <ctime>
#include <algorithm>

using namespace std;
ifstream in("elmaj.in");
ofstream out("elmaj.out");

#define ll long long
#define pb push_back
const int inf = 1e9 + 5;
const int NMax = 1e6 + 5;

int N;
int v[NMax];

int main() {
    in>>N;

    int nr=0,cand=0;
    for (int i=1;i <= N;++i) {
        in>>v[i];

        if (!nr) {
            cand = v[i];
        }
        else if (cand == v[i]) {
            ++nr;
        }
        else {
            --nr;
        }
    }

    nr = 0;
    for (int i=1;i <= N;++i) {
        if (cand == v[i]) {
            ++nr;
        }
    }

    if (nr > N/2) {
        out<<cand<<' '<<nr<<'\n';
    }
    else {
        out<<"-1\n";
    }

    in.close();out.close();
    return 0;
}