#include <cstdio>
using namespace std;

int a[1000000];

int main()
{
    int i,n,el,k;
    freopen("elmaj.in","r",stdin);
    freopen("elmaj.out","w",stdout);
    scanf("%d",&n);
    for(i=0,k=0;i<n;++i)
    {
        scanf("%d",&a[i]);
        if(!k)
        {
            el=a[i];
            k=1;
        }
        else
        {
            if(el==a[i]) ++k;
            else --k;
        }
    }
    for(i=0,k=0;i<n;++i)
    {
        if(a[i]==el) ++k;
    }
    if(k>n/2) printf("%d %d\n",el,k);
    else printf("-1\n");
    return 0;
}