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#include <iostream>
#include <fstream>
#include <vector>
#define MOD 173333
using namespace std;
ifstream fin ("elmaj.in");
ofstream fout ("elmaj.out");
vector <pair <int, int> > h[MOD];
int n, x, ok, sol, ap;
int main (){
fin>>n;
for(int i=1; i<=n; i++){
fin>>x;
ok=0;
for(int j=0; j<h[x%MOD].size(); j++)
if(h[x%MOD][j].first == x){
ok=1;
h[x%MOD][j].second++;
if(h[x%MOD][j].second > n/2){
sol=x;
ap=h[x%MOD][j].second;
}
break;
}
if(ok == 0)
h[x%MOD].push_back({x, 1});
}
if(sol != 0)
fout<<sol<<" "<<ap;
else
fout<<-1;
return 0;
}