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#include <iostream>
#include <fstream>
using namespace std;
ifstream f("elmaj.in");
ofstream g("elmaj.out");
int a[1000000],fr;
int main()
{
int i,n,c=0,k=0,fr=0;
f>>n;
for(i=1;i<=n;i++){
f>>a[i];
}
for(i=1;i<=n;i++){
if(a[i]==a[i+1]){
fr++;
c=a[i];
}
else{
fr--;
if(fr==0)
c=a[i+1];
}
}
for(i=1;i<=n;i++){
if(c==a[i])
k++;
}
if(k>n/2)
g<<c<<" "<<k;
else
g<<"-1";
f.close();
g.close();
return 0;
}