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#include <fstream>
using namespace std;
ifstream cin("elmaj.in");
ofstream cout("elmaj.out");
int v[1000005];
int main()
{
int n;
cin>>n;
for(int i=1;i<=n;i++)
cin>>v[i];
int cand=v[1] , cnt=1;
for(int i=2;i<=n;i++)
{
if(cand!=v[i])
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+1)
cout<<cand<<" "<<cnt;
else
cout<<"-1";
return 0;
}