#include <fstream>

using namespace std;

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

const int N=1000001;

int v[N],n,win,contor;

int main(){
	int i;
	in>>n;
	for(i=1;i<=n;++i){
		in>>v[i];
	}
	win=v[1];
	contor=1;
	for(i=2;i<=n;++i){
		if(contor==0){
			win=v[i];
			contor=1;
			continue;
		}
		if(v[i]==win)
			contor++;
		else
			contor--;
	}
	contor=0;
	for(i=1;i<=n;++i){
		if(v[i]==win)
			contor++;
	}
	if(contor>=(n/2)){
		out<<win<<" "<<contor;
	}
	else
		out<<"-1";
	return 0;
}