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#include <bits/stdc++.h>
using namespace std;
ifstream fin ("elmaj.in");
ofstream fout("elmaj.out");
const int dim=1000009;
int n,v[dim];
signed main(){
fin>>n;
for(int i=1;i<=n;i++){
fin>>v[i];
}
int candidat=0,cnt=0;
for(int i=1;i<=n;i++){
if(v[i]==candidat){
cnt++;
}
else{
cnt--;
}
if(cnt<=0){
cnt=1;
candidat=v[i];
}
}
int nr=0;
for(int i=1;i<=n;i++){
if(v[i]==candidat){
nr++;
}
}
if(nr>n/2){
fout<<candidat<<' '<<nr;
}
else{
fout<<-1;
}
}