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