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#include <fstream>
using namespace std;
ifstream fin("elmaj.in");
ofstream fout("elmaj.out");
int nr,n,v[1000005],maj,i;
int main()
{
fin>>n;
fin>>v[1];
maj=v[1];
nr=1;
for(i=2;i<=n;i++)
{
fin>>v[i];
if(v[i]==maj)
nr++;
else
nr--;
if(nr==0)
{
maj=v[i];
nr=1;
}
}
nr=0;
for(i=1;i<=n;i++)
if(v[i]==maj)
nr++;
if(nr>n/2)
fout<<maj<<" "<<nr<<'\n';
else
fout<<-1<<'\n';
return 0;
}