#include <bits/stdc++.h>

using namespace std;

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

int a[1000001],cand=-1;

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