View Code of Problem 87

#include<iostream>
using namespace std;
int main(){
	int n;
	while(cin>>n){
		if(n%2!=0){
			cout<<0<<' '<<0<<endl;
			continue;
		}
		int ma,mi;
		int c,r;
		c=n/4;
		r=(n-c*4)/2;
		mi=(c+r);
		r=n/2;
		c=(n-r*2)/4;
		ma=(r+c);
		cout<<mi<<' '<<ma<<endl;
	}
}