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#include <fstream>
using namespace std;
int v[1000000];
int main() {
ifstream cin ("elmaj.in");
ofstream cout ("elmaj.out");
int n,i,nr,maj;
cin>>n;
cin>>v[0];
maj=v[0];
nr=1;
for (i=1; i<n; i++) {
cin>>v[i];
if (v[i]==maj)
nr++;
else {
nr--;
if (nr<0) {
maj=v[i];
nr=1;
}
}
}
nr=0;
for (i=0; i<n; i++)
if (v[i]==maj)
nr++;
if (nr>n/2)
cout<<maj<<" "<<nr;
else
cout<<-1;
return 0;
}