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#include <fstream>
using namespace std;
ifstream fin ("elmaj.in");
ofstream fout ("elmaj.out");
long long int v[1000002];
long long int n,x, maj, nr;
int main()
{
fin>>n;
fin>>v[1];
maj=v[1]; nr=1;
for(int i=2; i<=n; i++)
{
fin>>v[i];
if(v[i]==maj)nr++;
else
{
if(nr==0)
{
nr=1;
maj=v[i];
}
else
{
nr--;
}
}
}
nr=0;
for(int i=1; i<=n; i++)
{
if(v[i]==maj)nr++;
}
if(nr>n/2)fout<<maj<<" "<<nr;
else fout<<"-1";
return 0;
}