#include <bits/stdc++.h>
using namespace std;
ifstream fin("elmaj.in");
ofstream fout("elmaj.out");
int n;
vector <unsigned long long> v;
int main()
{
    int i, x, cnt, ap=0;
    unsigned long long soi;
    fin>>n;
    for(i=0; i<=n-1; i++)
    {
        fin>>x;
        v.push_back(x);
    }
    cnt=1;
    soi=v[0];
    for(i=1; i<=n-1; i++)
    {
        if(v[i]==soi)
            cnt++;
        else
        {
            cnt--;
            if(cnt==0)
            {
                cnt=1;
                soi=v[i];
            }
        }
    }
    for(i=0; i<=n-1; i++)
        if(v[i]==soi) ap++;
    if(ap>=n/2+1) fout<<soi<<' '<<ap<<'\n';
    else fout<<-1<<'\n';
    return 0;
}