#include <bits/stdc++.h>
using namespace std;

#define pb push_back
#define mp make_pair
#define dbg(x) cout << #x << ": " << x << "\n";
using ll = long long;

const string myf = "elmaj";
ifstream fin(myf + ".in");
ofstream fout(myf + ".out");

int n;
int a[1000005];

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

    fin.close();
    fout.close();
    return 0;
}