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