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#include <fstream>
#include <bitset>
#define int long long
using namespace std;
ifstream fcin("elmaj.in");
ofstream fout("elmaj.out");
int n,v[1001001],nr,val;
signed main()
{
fcin>>n;
fcin>>v[1];
val=v[1];
nr=1;
for(int i=2; i<=n; i++)
{
fcin>>v[i];
if(!(v[i]^val)) nr++; else nr--;
if(nr==-1)
{
val=v[i];
nr=1;
}
}
nr=0;
for(int i=1; i<=n; i++)
{
if(!(v[i]^val)) nr++;
}
if(nr>=n/2+1) fout<<val<<" "<<nr;
else fout<<-1;
return 0;
}