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#include <fstream>
using namespace std;
ifstream fin("elmaj.in");
ofstream fout("elmaj.out");
int n, x=-1, f, nr, k;
int main()
{
fin>>n;
for(int i=1;i<=n;i++)
{
fin>>k;
if(k!=x and f==0)
{
x=k;
f=1;
}
else
{
if(k!=x and f!=0)
f--;
if(k==x)
f++;
}
}
fin.close();
fin.open("elmaj.in", fstream::in);
f=0;
fin>>n;
for(int i=1;i<=n;i++)
{
fin>>k;
if(k==x) f++;
}
if(f>n/2)
fout<<x<<' '<<f;
else
fout<<"-1";
return 0;
}