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#include <fstream>
using namespace std;
long long n,p=0,a[1000000],q[1000000],y;
void lire()
{
ifstream f("elmaj.in");
f >> n;
for (long long i=1; i<=n; i++)
f >> a[i];
f.close();
}
void co()
{
for (long long i=1; i<=n; i++)
if (q[i]!=0) { y=q[i]; break; }
}
long long nn()
{
long long w=0;
for (long long i=1; i<=n; i++)
if (a[i]==y) w++;
return w;
}
void ecrire()
{
ofstream f("elmaj.out");
if (y!=0) f << y << ' ' << nn(); else f << -1;
f.close();
}
void elmaj()
{
for (long long i=1; i<=n; i++)
{
if (p==0) { p=1; q[1]=a[i]; } else
{
int x=1;
for (long long j=p; j>=1; j--)
if (a[i]!=q[j]) { x=0; q[j]=0; p=p-1; break; }
if (x==1) { p=p+1; q[p]=a[i]; }
}
}
co();
}
int main()
{
lire();
elmaj();
ecrire();
return 0;
}