#include<stdio.h>
int a[1000005];
int main()
{
    freopen("elmaj.in","r",stdin);
    freopen("elmaj.out","w",stdout);
    int n,i,c,nr=0;
    scanf("%d",&n);
    for(i=1;i<=n;i++)
        scanf("%d",&a[i]);
    c=a[1];nr=1;
    for(i=2;i<=n;i++)
        if(a[i]==c)
            nr++;
        else
        {
            nr--;
            if(nr==0)
            {
                c=a[i];
                nr=1;
            }
        }
    nr=0;
    for(i=1;i<=n;i++)
        if(c==a[i])
            nr++;
    if(nr>n/2)
        printf("%d %d\n",c,nr);
    else
        printf("-1\n");
    return 0;
}