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#include <fstream>
using namespace std;
ifstream cin("elmaj.in");
ofstream cout("elmaj.out");
int v[1000001];
int main()
{
long n,i ,c,f;
cin>>n>>v[1];
c=v[1];
f=1;
for(i=2;i<=n;i++){
cin>>v[i];
if(v[i]!=c){
f--;
}
if(v[i]==c){
f++;
}
if(f<0){
c=v[i];
f=1;
}
}
f=0;
for(i=1;i<=n;i++){
if(c==v[i]){
f++;
}
}
if(f>n/2){
cout<<c<<" "; cout<<f;
}
else{
cout<<"-1";
}
return 0;
}