/*
    Keep It Simple!
*/

#include<fstream>
using namespace std;

int v[1000005];
int N;

int main()
{
    ifstream f("elmaj.in");
    ofstream g("elmaj.out");

    f >> N;
    for(int i=1;i<=N;i++) f >> v[i];

    int cand = -1, cont = 0;

    for(int i=1;i<=N;i++)
        if(!cont)
        {
            cand == v[i];
            cont = 1;
        }
        else if(v[i] == cand) cont++;
        else cont--;

    int cnt = 0;
    for(int i = 1; i<=N;i++)
        if(v[i] == cand) cnt++;

    if(cnt > N/2)
        g << cand << " " << cnt;
    else
        g << "-1";
}