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#include <fstream>
using namespace std;
ifstream in("elmaj.in");
ofstream out("elmaj.out");
int n;
int v[10000005];
int main()
{
in>>n;
for(int i=1; i<=n; i++) in>>v[i];
int nr=1,maj=v[1];
for(int i=2; i<=n; i++)
{
if(v[i]!=maj) nr--;
else nr++;
if(!nr)
{
maj=v[i];
nr=1;
}
}
nr=0;
for(int i=1; i<=n; i++)
if(v[i]==maj) nr++;
if(nr>=n/2+1) out<<maj<<" "<<nr<<'\n';
else out<<"-1"<<'\n';
return 0;
}