#include <cstdio>

using namespace std;

int v[1000010];

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