#include <stdio.h>

using namespace std;

FILE *fin = fopen("elmaj.in", "r"), *fout = fopen("elmaj.out", "w");

#define MAXN 1000000

int v[MAXN + 1];

int main()  {
    int n;
    fscanf(fin, "%d", &n);
    for(int i = 1;i <= n;i++)
        fscanf(fin, "%d", &v[i]);
    int elm = v[1];
    int nr = 1;
    for(int i = 2;i <= n;i++)  {
        if(elm == v[i])
            nr++;
        else  {
            nr--;
            if(nr <= 0)
                elm = v[i], nr = 1;
        }
    }
    int ap = 0;
    for(int i = 1;i <= n;i++)
        ap += (v[i] == elm);
    if(ap > n / 2)
        fprintf(fout, "%d %d\n", elm, ap);
    else
        fprintf(fout, "-1\n");
    fclose(fin);
    fclose(fout);
    return 0;
}