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

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

int a[1000003], n, cnt, cand;

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