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#include <iostream>
#include <fstream>
using namespace std;
ifstream in ("elmaj.in");
ofstream out ("elmaj.out");
int a[1000005];
int main()
{
int n,i,cnt,cand;
in>>n;
for(i=1;i<=n;i++)
{
in>>a[i];
}
cand=a[1];
cnt=1;
for(i=2;i<=n;i++)
{
if(cand==a[i])
cnt++;
else
{
cnt--;
if(cnt<0)
{
cnt=1;
cand=a[i];
}
}
}
cnt=0;
for(i=1;i<=n;i++)
{
if(a[i]==cand)
cnt++;
}
if(cnt>n/2)
out<<cand<<" "<<cnt<<'\n';
else
out<<"-1"<<'\n';
return 0;
}