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#include <iostream>
#include <fstream>
using namespace std;
ifstream fin ("elmaj.in");
ofstream fout ("elmaj.out");
struct punga{
int nr;
int l;
};
int n, v[1000001], ap;
punga p;
int main (){
fin>>n;
fin>>v[1];
p.nr=v[1];
p.l=1;
for(int i=2; i<=n; i++){
fin>>v[i];
if(p.l != 0){
if(v[i] != p.nr)
p.l--;
else
p.l++;
}else{
p.l=1;
p.nr=v[i];
}
}
ap=0;
for(int i=1; i<=n; i++){
if(v[i] == p.nr)
ap++;
}
if(ap < n/2 + 1){
fout<<-1;
return 0;
}
fout<<p.nr<<" "<<ap;
return 0;
}