View Code of Problem 87

#include <stdio.h>
int main(){
	int a,b=0;
	scanf("%d",&a);
	if(a%2!=0)
		printf("0 0");
	while (a%4!=0){
		a=a-2;
		b++;

	}
	printf("%d %d\n",(a/4+b),a/2);



}