#include <fstream>
using namespace std;
int a[1000001];
int v, i, n, c;
long int hero, hp = 0;

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

	fin >> n;
	fin >> a[0];
	hero = a[0];
	v = 0;
	hp = 1;
	for (i = 1; i < n; i++) {
		fin >> a[i];
		if (a[i] != hero) {
			hp--;
		}

		if (a[i] == hero)
			hp++;
		if (hp == 0) {
			hero = a[i];
			hp = 1;
			v++;
		}
	}
	c = 0;
	for (i = 0; i < n; i++) {
		if (a[i] == hero)
			c++;
	}
	if (c < (n / 2 + 1)) {
		fout << -1;
	}
	else
		fout << hero << " " << c;

}