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

#define pb push_back
#define mp make_pair
#define dbg(x) cout << #x <<": " << x << "\n";
using ll = long long;

const string myf = "elmaj";
ifstream fin(myf + ".in");
ofstream fout(myf + ".out");

int n;
int a[1000005];

int main() {

	fin >> n;
	for (int i = 1; i <= n; ++i)
		fin >> a[i];
	int cand, ap;
	ap = 1;
	cand = a[1];
	for (int i = 2; i <= n; ++i) {
		if (a[i] != cand)
			ap--;
		else ap++;
		if (ap < 0) {
			cand = a[i];
			ap = 1;
		}
	}
	ap = 0;
	for (int i = 1; i <= n; ++i) {
		if (a[i] == cand)
			ap++;
	}
	if (ap >= n / 2 + 1) {
		fout << cand << " " << ap << '\n';
	}
	else fout << "-1";

	fin.close();
	fout.close();
	return 0;
}