View Code of Problem 87

#include<bits/stdc++.h>
using namespace std;
int main() {
	int n;
	cin >> n;
	int flag = 0;
	for (int i = 0; i <= n / 2; i++) {
		if ((n - i * 2) % 4 == 0) {
			cout << i + (n - i * 2) / 4 <<" ";
			flag = 1;
			break;
		}
	}
	if (flag == 0)
		cout << 0 << " " << 0;
	else
		for (int i = 0; i <= n / 2; i++) {
			if ((n - i * 4) % 2 == 0) {
				cout << i + (n - i * 4) / 2;
				break;
				
			}
		}
}