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#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("elmaj.in");
ofstream fout("elmaj.out");
const int NMAX=1000000+1;
int x, ap[NMAX], maxi=-1, val;
int main()
{
int n, i, maj;
fin>>n;
maj=n/2+1;
for(i=1;i<=n;i++){
fin>>x;
ap[x]++;
}
for(i=1;i<=n;i++){
if(ap[i]>maxi){
maxi=ap[i];
val=i;
}
}
if(maxi>= maj) fout<<val<<" "<<maxi;
else fout<<-1;
return 0;
}