#include <cstdio>

using namespace std;

const int nmx = 1000002;

int n,v[nmx];

int main()
{
    freopen("elmaj.in", "r", stdin);
    freopen("elmaj.out", "w", stdout);

    int maj = -1, ap = 0;

    scanf("%d", &n);
    for(int i = 1; i <= n; ++i)
    {
        scanf("%d", &v[i]);
        if(v[i] != maj)
        {
            if(ap > 0)
                -- ap;
            else
            {
                ap = 1;
                maj = v[i];
            }
        }
        else
            ++ ap;
    }

    int cate = 0;
    for(int i = 1; i <= n; ++i)
        if(v[i] == maj)
            ++ cate;

    if(cate >= (n/2) + 1)
        printf("%d %d\n", maj, cate);
    else
        printf("-1\n");

    return 0;
}