#include <bits/stdc++.h>

using namespace std;
ifstream in("elmaj.in");
ofstream out("elmaj.out");
const int NMax = 1e6 + 5;

int N;
int v[NMax],occ[4][1000];

int main() {
    in>>N;
    for (int i=1;i <= N;++i) {
        in>>v[i];

        int temp = v[i];
        ++occ[0][temp % 1000];
        for (int j=1;j < 4;++j) {
            temp /= 1000;
            ++occ[j][temp % 1000];
        }
    }

    int val = 0;
    for (int i=0;i < 1000;++i) {
        if (occ[0][i] > N/2) {
            val += i;
        }
        if (occ[1][i] > N/2) {
            val += 1000 * i;
        }
        if (occ[2][i] > N/2) {
            val += 1000 * 1000 * i;
        }
        if (occ[3][i] > N/2) {
            val += 1000LL * 1000 * 1000 * i;
        }
    }

    int nr = 0;
    for (int i=1;i <= N;++i) {
        if (v[i] == val) {
            ++nr;
        }
    }

    if (nr > N/2) {
        out<<val<<' '<<nr<<'\n';
    }
    else {
        out<<"-1\n";
    }

    in.close();out.close();
    return 0;
}