#include <cstdio>
using namespace std;
int n,v[1000005],i,cnt,m;
int main()
{
    freopen("elmaj.in","r",stdin);
    freopen("elmaj.out","w",stdout);
    scanf("%d",&n);
    for(i=1;i<=n;i++)
        scanf("%d",&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)
        printf("%d %d",m,cnt);
    else
        printf("-1");
    return 0;
}