#include <cstdio>

using namespace std;

int sir[1000000];

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

    int n;
    int nr = 0;
    int p = -1;

    scanf("%d", &n);

    for(int k = 0; k < n; k++){
        int x;
        scanf("%d", &sir[k]);

        x = sir[k];

        if(x == p){
            nr++;
        }
        else{
            if(nr > 1){
                nr--;
            }
            else if(nr == 1){
                nr = 0;
                p = -1;
            }
            else if(nr == 0){
                nr = 1;
                p = x;
            }
        }
    }

    printf("%d", p);

    if(p != -1){
        scanf("%d", &n);
        nr = 0;

        for(int k = 0; k < n; k++){
            if(sir[k] == p){
                nr++;
            }
        }

        printf(" %d", nr);
    }

    return 0;
}