Delhi odd even prob

#1

#include
using namespace std;
int main()
{
int r,n,a[10],l=0,t;
cin>>n;
if(n<=1000)
{

for(int i=0;i<n;i++)
{
	cin>>a[i];
}
for(int i=0;i<n;i++)
{
	r=0;
	l=0;
	t=a[i];
	while(t<=0)
	{
	
	r=t%10;
	l=l+r;
	t=t/10;
}
	if(l%4==0||l%3==0)
	{
	cout<<"Yes"<<endl;

	}	
	else
	cout<<"No"<<endl;	

	
}

}
}

WHat is problem with this code??

#2

You have taken the sum of all the digits.
In the question it is asked to take separate sum for even and the odd digits.