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