#include<stdio.h>
#define maxn 1000005
using namespace std;

int n,nr;
int a[maxn];

void solve()
{
    int npair=0,last;
    scanf("%d",&n);
    for(int i=1;i<=n;i++)
    {
        scanf("%d",&a[i]);
        if(npair==0) last=a[i],npair++;
        else
         if(last==a[i]) npair++;
         else npair--;
    }
    for(int i=1;i<=n;i++)
      if(a[i]==last) nr++;
    if(nr>n/2) printf("%d %d",last,nr);
    else printf("-1");
}

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

    solve();

    fclose(stdin);
    fclose(stdout);
    return 0;
}