View Code of Problem 87

#include<stdio.h>

int main(){
	int i,a,min,max;
    scanf("%d",&a);
	if (a%4==0)
	{
		min=a/4;
		max=a/2;
	}
	else if(a%2==0)
	{
		max=a/2;
		for (i=a/4;i>0;i++)
			if((a-4*i)%2==0)
			{
				min=i+(a-4*i)/2;
				break;
			}
	}
	else
	{
				min=0;
				max=0;
	}
	printf("%d %d",min,max);
	return 0;
}