#include<stdio.h>
#include<vector>
using namespace std;
vector<int> v;
int main()
{
    freopen("elmaj.in","r",stdin);
    freopen("elmaj.out","w",stdout);
    int n,x,k=0,maj=-1,nr=0;
    scanf("%d",&n);
    for(int i=1;i<=n;i++)
    {
        scanf("%d",&x);
        v.push_back(x);
    }
    for(int i=0;i<=n;i++)
    {
        if(k==0)
        {
            maj=v[i];
            k++;
        }
        else
        if(v[i]==maj)
        k++;
        else
        k--;
    }
    if(maj==-1)
    printf("-1\n");
    else
    {
        for(int i=0;i<=n;i++)
        if(v[i]==maj)
        nr++;
        if(nr>n/2)
        printf("%d %d\n",maj,nr);
        else
        printf("-1\n");
    }
    return 0;
}