View Code of Problem 87

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