//#include <fstream>
#include<cstdio>
using namespace std;
//ifstream f("elmaj.in");
//ofstream g("elmaj.out");
int n,i,x,k,cand;
long long a[1000001];
int main()
{
    freopen("elmaj.in","r",stdin);
    freopen("elmaj.out","w",stdout);
    //f>>n;
    scanf("%d",&n);
    cand=-1;
    k=0;
    for(i=1;i<=n;i++)
    {
        //f>>a[i];
        scanf("%d",&a[i]);
        if(k==0)
        {
            cand=a[i];
            k++;
        }
        else
            if(cand==a[i])
                k++;
            else
                k--;
    }
    k=0;
    for(i=1;i<=n;i++)
        if(cand==a[i])
            k++;
    if(k>n/2)
        printf("%d %d\n", cand, k);
        //g<<cand<<" "<<k<<'\n';
    else
        printf("-1\n");
        //g<<"-1"<<'\n';
    return 0;
}