#include <iostream>
using namespace std;

int main() {
    int n, x, i, maxim, nr, j , ct, prim;
    cin >> n;
    maxim = 0; ct = 0;

    for (i = 1; i <= n; i++) {
        cin >> x;
        prim = 1;
        if (x < 2) {
            prim = 0;
        }
        else for (j = 2; j * j <= x; j++) {
            if (n % i == 0) {
                prim = 0;
                break;
            }
        }
        if (prim == 1 && x > maxim){
            maxim = x;
            ct = 1;
        }
        else if (prim == 1 && x == maxim) {
            ct ++;
        }
    }

    if (ct > 0) cout << maxim << " " << ct;
    else if (ct == 0) cout << "NU EXISTA";
    return 0;
}