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#include <iostream>
#include <fstream>
#include <hash_map>
using namespace std;
using namespace __gnu_cxx;
hash_map<int, int> m;
int n, ok;
int main()
{
ifstream fin("elmaj.in");
ofstream fout("elmaj.out");
int t;
fin >> n;
for(int i=0; i<n; i++){
//scanf("%d ", &t);
fin >> t;
m[t]++;
}
/*for(int i=0; i<n; i++){
if(m[a[i]] >= n/2+1){
printf("%d %d\n", a[i], m[a[i]]);
ok=1;
break;
}
}*/
for(hash_map<int, int>::iterator i=m.begin(); i!=m.end(); i++){
if(i->second >= n/2+1){
//printf("%d %d\n", i->first, i->second);
fout << i->first << " " << i->second << "\n";
ok = 1;
break;
}
}
if(!ok) printf("-1\n");
return 0;
}