What is the problem in this code

#1

#include
using namespace std;
int main() {
int t;

long long n;
cin>>t;
int arr[t];
for(int i=0;i<t;i++)
{
	cin>>arr[i];
}
for(int i=0;i<t;i++)
{
	n=arr[i];

	int sum=0;
	while(n>0)
	{
		sum +=n%10;
		n /=10;
	}
	
	if(sum%2==0 &&  sum%4==0)
	{
		cout<<"Yes"<<endl;
	}
	else if(sum%2!=0 && sum%3==0)
	{
		cout<<"YES"<<endl;
	}
	else{
		cout<<"NO"<<endl;
	}
	
}
return 0;

}

#2

@manoyadavk sum of even digits and odd digits have to be calculated separately. Please read the question carefully.

#3

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