#include <bits/stdc++.h>

using namespace std;
ifstream in("elmaj.in");
ofstream out("elmaj.out");
const int NMax = 1e6 + 5;

int N;
int v[NMax];
unordered_map<int,int> mp;

int main() {
    in>>N;

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

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

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

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

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