View Code of Problem 87

#include<stdio.h>
int main()
{
	int a;
	scanf("%d",&a);
	int min,max;
	if(a%4==0)
	{
		min=a/4;
		max=a/2;
	}
	else if(a%2==0)
	{
		min=a/4+1;
		max=a/2;
	}
	else
	{
		min=0;
		max=0;
	}
	printf("%d %d",min,max);
	return 0;
}