#include <cmath>
#include <cstring>
#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("elmaj.in");
ofstream fout("elmaj.out");

int main()
{
    int v[1000001], n, i, curr, k;
    fin >> n;
    for(i=1; i<=n; i++)
        fin >> v[i];
    curr=v[1];
    k=1;
    for(int i=2; i<=n; i++)
    {
        if(v[i]==curr)
            k++;
        else
        {
            k--;
            if(k<0)
            {
                curr=v[i];
                k=1;
            }
        }
    }
    k=0;
    for(i=1; i<=n; i++)
        if(v[i]==curr)
            k++;
    if(k>n/2)
        fout << curr << " " << k;
    else
        fout << "-1";
    return 0;
}