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#include <bits/stdc++.h>
using namespace std;
ifstream fin("elmaj.in");
ofstream fout("elmaj.out");
int n,a[1000000],ans,k,nr;
int main(){
fin>>n;
for(int i=1;i<=n;i++)fin>>a[i];
for(int i=1;i<=n;i++){
if(k==0)nr=a[i],k=1;
else if(a[i]==nr)k++;
else k--;
}
int b=0;
for(int i=1;i<=n;i++){
if(a[i]==nr)b++;
}
if(b>n/2)fout<<nr << ' ' <<b;
else fout << -1;
return 0;
}
// 3 4 4 3 3 2 3