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#include <fstream>
using namespace std;
ifstream cin("elmaj.in");
ofstream cout("elmaj.out");
int i,a[101];
void maj(int n,int a[])
{
int candidate=a[1],nrap=1;
for(i=2;i<=n;i++)
{
if(candidate==a[i])
nrap++;
else
nrap--;
if(nrap==0)
{
candidate=a[i];
nrap=1;
}
}
nrap=0;
for(i=1;i<=n;i++)
{
if(a[i]==candidate)
nrap++;
}
if(nrap>=n/2+1)
{
cout<<candidate<<" "<<nrap;
}
else
cout<<-1;
}
int main()
{
int n;
cin>>n;
for(i=1;i<=n;i++)
cin>>a[i];
maj(n,a);
return 0;
}