cíu mik !!!!!! c++ với sos

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
int main() {
    ll n;
   cin>>n;
   if(n%400==0||n%4==0&&n%100!=0)
   {
       cout<<"Nam nhuan";
   }
   else
   {
       cout<<"Khong la nam nhuan";
   }
}

Code C++ : 

Nên nhớ : #Nocopy

$#doanthevu$

#include <bits/stdc++.h>
#define ll long long
using namespace std;
int main()
{
    ll n;
    cin>>n;
    if ( n%400==0 || n%4==0 && n%100!=0)
        cout<< " Nam nhuan"<<endl;
    else
        cout<<" Khong la nam nhuan " <<endl;
    return 0;
}