#include <bits/stdc++.h>

using namespace std;
ifstream fin("elmaj.in");
ofstream fout("elmaj.out");
int n;
int v[1000003];
int cand,cnt;
int main()
{
    fin>>n;
    for (int i=1;i<=n;i++)
    {
        fin>>v[i];
        if (cand==v[i]) cnt++;
        else cnt--;
        if (cnt<0) cand=v[i],cnt=1;
    }
    cnt=0;
    for (int i=1;i<=n;i++)
        if (v[i]==cand)
            cnt++;
    if (cnt>n/2)
        fout<<cand<<" "<<cnt;
    else
        fout<<-1;
    return 0;
}