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#include <bits/stdc++.h>
#define MAXN 1000005
using namespace std;
ifstream fin("elmaj.in");
ofstream fout("elmaj.out");
int n, v[MAXN];
int main()
{
int i, soi, ap=0, cnt;
fin>>n>>v[1];
soi=v[1], cnt=1;
for(i=2; i<=n; i++)
{
fin>>v[i];
if(v[i]==soi) cnt++;
else cnt--;
if(cnt==0) soi=v[i], cnt=1;
}
for(i=1; i<=n; i++)
if(soi==v[i]) ap++;
if(ap>=n/2+1) fout<<soi<<' '<<ap<<'\n';
else fout<<-1<<'\n';
return 0;
}