#include <bits/stdc++.h>
using namespace std;
ifstream fi("elmaj.in");
ofstream fo("elmaj.out");

int n;
int A[1000005];

int main()
{
    fi >> n;

    fi >> A[1];
    int av = 1, nr = A[1];

    for (int i = 2; i <= n; i++)
    {
        fi >> A[i];
        if (A[i] == nr)
            av++;
        else
            av--;
        if (av <= 0)
            nr = A[i];
    }

    int cnt = 0;
    for (int i = 1; i <= n; i++)
        if (A[i] == nr)
            cnt++;

    if (cnt < n / 2 + 1)
        fo << -1;
    else
        fo << nr << " " << cnt;

    return 0;
}