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#include <bits/stdc++.h>
using namespace std;
ifstream fin("elmaj.in");
ofstream fout("elmaj.out");
int A[1000100],N,k,el,nr;
int main(){
ios::sync_with_stdio(0);
fin.tie(0);
fin >> N;
for(int i = 0;i<N;i++) fin >> A[i];
for(int i = 0;i<N;i++){
if(k == 0) el = A[i], k = 1;else
if(el == A[i]) k++;
else k--;
}
for(int i = 0;i<N;i++) if(el == A[i]) nr++;
if(nr >= N/2+1) fout << el << ' ' << nr;
else fout << -1;
return 0;
}