View Code of Problem 87

#include<iostream>
using namespace std;
int main()
{
	int a;
	cin>>a;
	int max,min; 
	//至少
	 
	 if(a%2!=0)  cout<<"0"<<" "<<"0"<<endl;
	 
	if(a%4==0) 
	{
		min=a/4;
	}
	 
	else{
		min=a/4+1;
	}
    
	max=a/2;
	
	cout<<min<<" "<<max<<endl;	
	
}