#include <iostream>
#include <cstdio>
using namespace std;
int n,k,a[1000001];
void elmaj()
{
    int cand = -1, k = 0;
    for (int i = 0; i < n; i++)
    {
        if (k == 0)
        {
            cand = a[i];
            k = 1;
        }
        else if (a[i] == cand)
        {
            k++;
        }
        else
            k--;
    }
    if (cand < 0)
    {
        printf("-1");
        return;
    }

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