#include <iostream> using namespace std; int main(){ int a; cin>>a; if (a % 2 != 0) { cout << "0 0" << endl; return 0; } int max_num = a / 2; int min_num = a / 4 + (a % 4) / 2; if (min_num <= 0) { cout << "0 0" << endl; } else { cout << min_num << " " << max_num << endl; } return 0; }