#include <bits/stdc++.h>

using namespace std;

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

long long v[1000001];

int main()
{
    long long n, cnt = 1, cand;

    fin >> n;

    for (long long i = 1; i <= n; i ++)
        fin >> v[i];

    cand = v[1];

    for (long long i = 2; i <= n; i ++)
    {
        if (!cnt) cand = v[i];

        if (v[i] == v[i-1]) cnt ++;
        else
            cnt --;
    }

    cnt = 0;

    for (long long i = 1; i <= n; i ++)
        if (v[i] == cand) cnt ++;

    if (cnt > n / 2) fout << cand << ' ' << cnt;
    else
        fout << "-1";

    return 0;
}