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#include <bits/stdc++.h>
using namespace std;
int n, v[1000001];
ifstream fin("elmaj.in");
ofstream fout("elmaj.out");
int ap=0,maj;
int main()
{
fin>>n;
fin>>maj;
v[0]=maj;
ap=1;
for(int i=1; i<n; i++)
{
fin>>v[i];
if(maj==v[i]) ap++;
else ap--;
if(ap<0)
{
maj=v[i];
ap=1;
}
}
if(ap>0)
{
ap=0;
for(int i=0; i<n; i++)
{
if(maj==v[i]) ap++;
}
}
if(ap<n/2+1) fout<<"-1";
else fout<<maj<<" "<<ap;
return 0;
}