#include <cstdio>

using namespace std;

int v[1000010],n,i,x,nr;

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]);
    x=v[1];nr=1;
    for(i=2;i<=n;i++)
    {
        if(nr==0) x=v[i];
        if(x==v[i]) nr++;
        else nr--;
    }
    nr=0;
    for(i=1;i<=n;i++) if(v[i]==x) nr++;
    if(nr>n/2) printf("%d %d",x,nr);
    else printf("-1");
    return 0;
}