View Code of Problem 87

#include<stdio.h>
#include<math.h>
int main()
{
	int i=0,j,k,n,sum=0;
	int max,min;
	scanf("%d",&n);
	max=n/2+n%2/4;
	min=n/4+n%4/2;
	if(n%2==0)
	printf("%d %d",min,max);
	else
	printf("0 0");
}