题解

#include <bits/stdc++.h>
using namespace std;
int main(){
    int n;
    cin >> n;
    if(n == 0 || n % 2 == 1)
        cout << 0 << " " << 0 << endl;
	else
		cout << ceil(1.0 * n / 4) <<" "<< n / 2;
    return 0;
}