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

const int MAXN = 1000010;

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

int n, a[MAXN], cnt, maj;

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