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#include <fstream>
#define Nmax 1000001
using namespace std;
int v[Nmax];
int main()
{
ifstream cin("elmaj.in");
ofstream cout("elmaj.out");
int n,cand,cnt=0;
cin>>n;
for(int i=1;i<=n;i++)
cin>>v[i];
cand=v[1];
cnt++;
for(int i=2;i<=n;i++)
{
if(v[i]==cand)
cnt++;
else
{
cnt--;
if(cnt<0)
{
cand=v[i];
cnt=1;
}
}
}
cnt=0;
for(int i=1;i<=n;i++)
if(v[i]==cand)
cnt++;
if(cnt>n/2)
cout<<cand<<" "<<cnt;
else
cout<<"-1";
return 0;
}