#include <cstdio>
using namespace std;
const int N = 1000010;
const int Dim = 100000;
int n,i,j=Dim-1,maj,cnt,v[N];
char b[Dim+10];
inline void inc(){j++;if(j==Dim){j=0;fread(b,1,Dim,stdin);}}
void read(int &x)
{
    x=0;
    while(b[j] < '0' || b[j] > '9')inc();
    while(b[j] >= '0' && b[j] <= '9'){x=10*x+b[j]-'0';inc();}
}
int main()
{
    freopen("elmaj.in","r",stdin);
    freopen("elmaj.out","w",stdout);
    read(n);
    for(i=1;i<=n;i++)
    {
        read(v[i]);
        if(cnt)
        {
            if(v[i]==maj)
                cnt++;
            else
                cnt--;
        }
        else
        {
            maj=v[i];
            cnt=1;
        }
    }
    cnt=0;
    for(i=1;i<=n;i++)
        if(v[i]==maj)
            cnt++;
    if(cnt>n-cnt)
        printf("%d %d",maj,cnt);
    else
        printf("-1");
    return 0;
}