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#include <iostream>
#include <fstream>
using namespace std;
int aray[100001];
ifstream fin("elmaj.in");
ofstream fout("elmaj.out");
int main()
{
int n,maj,frec=1;
fin>>n>>aray[0];
maj=aray[0];
for(int i=1;i<n;i++){
fin>>aray[i];
if(aray[i]!=maj){
frec--;
}else{
frec++;
}
if(frec<0){
maj=aray[i];
frec=1;
}
}
frec=0;
for(int i=0;i<n;i++){
if(maj==aray[i]){
frec++;
}
}
if(frec>n/2){
fout<<maj<<" "<<frec;
}else{
fout<<-1;
}
}