#include <bits/stdc++.h>

using namespace std;

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

void usain_bolt()
{
    ios::sync_with_stdio(false);
    fin.tie(0);
}

const int N = 1e6 + 5;

int a[N];

int main()
{
    usain_bolt();

    int n;

    fin >> n;
    for(int i = 1; i <= n; ++i) {
        fin >> a[i];
    }
    int sol = a[1], f = 1;
    for(int i = 2; i <= n; ++i) {
        if(a[i] == sol) {
            ++f;
        }
        else {
            --f;
        }
        if(f == 0) {
            sol = a[i];
            f = 1;
        }
    }
    f = 0;
    for(int i = 1; i <= n; ++i) {
        if(a[i] == sol) {
            ++f;
        }
    }
    if(f > n / 2) {
        fout << sol << " " << f << "\n";
    }
    else {
        fout << -1 << "\n";
    }
    return 0;
}