#include <iostream>
using namespace std;
 
int main(){
    int N;
    cin >> N;
    int all = 0;
    for(int i = 0; i < N; i++){
        int legs;
        cin >> legs;
        all += legs;
    }
    cout << 2 * N - all / (N - 1) / 2 << " " << all / (N - 1) / 2 - N;
}