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#include <fstream>
using namespace std;
unsigned long long v[100000001];
ifstream in("elmaj.in");
ofstream out("elmaj.out");
int el,n;
int maj,majf;
int main()
{
in >> n;
in >> maj;
v[maj]++;
majf=1;
for(int i=1;i<n;i++){
in>> el;
v[el]++;
if(el==maj) majf++;
else{
if(majf>1) majf--;
else maj=el;
}
}
if(v[maj] >= n/2+1) out << maj <<' ' << v[maj];
else out<<-1;
return 0;
}