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#include <fstream>
using namespace std;
ifstream cin("elmaj.in");
ofstream cout("elmaj.out");
int n, i, nr, maj, a[3000005];
int main()
{
cin>>n;
for(i=1; i<=n; i++)
{
cin>>a[i];
}
nr=1;
maj = a[1];
for(i=2; i<=n; i++)
{
if(a[i]==maj) {
nr++;
} else {
nr--;
if( nr < 0 ) {nr=1;maj=a[i];}
}
}
nr = 0;
for( i = 1; i <= n; i++) {
if( a[i] == maj )
nr++;
}
(nr > n / 2) ? cout << maj << " " << nr : cout << "-1";
return 0;
}