Even or Odd sum

#include <iostream>
using namespace std;

int main()
{
  int number;
  cout << "How many numbers do you want to accept?" << endl;
  cin >> number;
  cout << "Ok, one moment please!" << endl;
  int arr[number];
  int sum = 0;
  cout << "Please enter the numbers!" << endl;
  for(int numbers = 0; numbers < 3; numbers++)
    {
      cin >> arr[numbers];
      sum = sum + arr[numbers];
    }
  if(sum%2==0)
  {
    cout << "The sum is EVEN" << endl;
  }else{
    cout << "The sum is ODD" << endl;
  }
  cout << "Bye, bye!" << endl;
}