#include <bits/stdc++.h>
using namespace std;

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

int n, v[1000005];

int main() {
    fin >> n;
    for(int i =1; i <=n; i++)
        fin >> v[i];

    int k = 0, ans = -1;
    for(int i = 1; i <= n; i++) {
        if(k == 0) {
            ans = v[i];
            k++;
        } else if(v[i] == ans) {
            k++;
        } else {
            k--;
        }
    }

    int nr  = 0;
    for(int i = 1; i <= n; i++)
        if(v[i] == ans) nr++;

    if(nr > n/2) {
        fout << ans << ' ' << nr << '\n';
    } else {
        fout << -1;
    }
}