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#include <fstream>
using namespace std;
ifstream fin("elmaj.in");
ofstream fout("elmaj.out");
int a[1000000];
int main()
{
int n,i,maj,nr;
fin>>n;
for (i=1; i<=n; i++) fin>>a[i];
maj=a[1];
nr=1;
for (i=2; i<=n; i++)
if (a[i]==maj) nr++;
else if (nr==0) {maj=a[i]; nr=1;}
else nr--;
nr=0;
for (i=1; i<=n; i++)
if (a[i]==maj) nr++;
if (nr>n/2) fout<<maj<<" "<<nr;
else fout<<"-1";
fin.close();
fout.close();
return 0;
}