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#include<fstream>
using namespace std;
ifstream fin("elmaj.in");
ofstream fout("elmaj.out");
int v[1000003],n,i,j,sol,ok;
int main(){
fin>>n;
ok=0;
for(i=1;i<=n;i++){
fin>>v[i];
if(ok==0){
sol=v[i];
ok=1;
}
else{
if(v[i]==sol){
ok++;
}
else{
ok--;
}
}
}
int nr=0;
for(i=1;i<=n;i++){
if(v[i]==sol){
nr++;
}
}
if(nr>=n/2+1){
fout<<sol<<" "<<nr;
}
else{
fout<<"-1";
}
return 0;
}