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#include <fstream>
using namespace std;
int v[1000005];
int main()
{
ifstream cin("elmaj.in");
ofstream cout("elmaj.out");
int n,a,cand,cnt=1,cnt2=0;
cin>>n;
cin>>cand;
v[0]=cand;
for(int i=0;i<n-1;i++)
{
cin>>a;
if(a==cand)
{
cnt++;
}
else
{
cnt--;
}
if(cnt==0)
{
cand=a;
cnt=1;
}
v[i+1]=a;
}
for(int i=0;i<n;i++)
{
if(v[i]==cand)
cnt2++;
}
if(cnt2>n/2)
{
cout<<cand<<" "<<cnt2;
}
else
{
cout<<"-1";
}
return 0;
}