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