#include using namespace std;
int main() { int a; cin >> a;
// 计算最少动物数
int min_animals = 0;
int r = a / 4;
int remaining_feet = a - 4 * r;
if (remaining_feet % 2 == 0 && remaining_feet >= 2) {
min_animals = r + remaining_feet / 2;
}
// 计算最多动物数
int max_animals = a / 2;
// 输出结果
cout << min_animals << " " << max_animals << endl;
return 0;
}