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#include <fstream>
using namespace std;
ifstream fin("elmaj.in");
ofstream fout("elmaj.out");
int n , v[1000005] , fr , elem;
int main(){
fin>>n;
for(int i=1 ; i<=n ; i++)
fin>>v[i];
fr=1;
elem=v[1];
for(int i=2 ; i<=n ; i++){
if(v[i]==elem){
fr++;
}
else{
fr--;
}
if(fr == 0){
elem=v[i];
fr=1;
}
}
if(fr == 0){
fout<<-1;
}
else{
fr=0;
for(int i=1 ; i<=n ; i++)
if(v[i] == elem){
fr++;
}
if(fr>n/2){
fout<<elem<<' '<<fr;
}
else{
fout<<-1;
}
}
return 0;
}