View Code of Problem 87

#include<stdio.h>
#include<string.h>
#include<math.h>
#include<malloc.h>



int main(){
	int n;
	while (scanf("%d", &n) != EOF) {
		if (n % 2 != 0)
			printf("0 0\n");
		else {
			int max = n / 2;
			int min = n / 4;
			min = min + (n - min * 4) / 2;
			printf("%d %d\n", min, max);
		}
	}
	
		

}