#include <bits/stdc++.h>

#define NMAX 100001

using namespace std;

ifstream fin("elmaj.in");
ofstream fout("elmaj.out");

int sortMajority(int n, int v[]) {
    sort(v+1,v+n+1);
    int i = 0,afisat=0;
    while (i < n) {
        int j = i;
        while (j < n && v[j + 1] == v[i])
            j++;
        if (j - i+1 > n/2)
        {
            afisat=1;
            fout<<v[i]<<' '<<j-i+1;
        }
        i = j + 1;
    }
    if(afisat == 0)
        fout<< -1;
}

int main() {
    int i,n,v[NMAX];
    fin>>n;
    for(i=1;i<=n;i++)
        fin>>v[i];
    sortMajority(n,v);
    return 0;
}