#include <cstdio>

using namespace std;

int v[1000010];

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