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#include <fstream>
using namespace std;
ifstream f("elmaj.in");
ofstream g("elmaj.out");
const int N = 1000010;
int n,i,maj,cnt,v[N];
int main()
{
f>>n;
for(i=1;i<=n;i++)
{
f>>v[i];
if(cnt)
{
if(v[i]==maj)
cnt++;
else
cnt--;
}
else
{
maj=v[i];
cnt=1;
}
}
cnt=0;
for(i=1;i<=n;i++)
if(v[i]==maj)
cnt++;
if(cnt>n-cnt)
g<<maj<<' '<<cnt;
else
g<<-1;
return 0;
}