function countPositivesSumNegatives(input) {
  if (!input || !input.length) return []
  let positives = 0
  let negSum = 0
  for(const num of input){
    if(num > 0)positives++
    else negSum+=num
  }
  return [positives, negSum]
}
//OR 
function countPositivesSumNegatives(input) {
  if (!input || !input.length)
    return []
  let countPositive = 0
  let sumNegative = 0
  for (let i=0; i<input.length; i++)
    if(input[i] > 0) {
      countPositive++; 
    }
  else if(input[i] < 0) {
    sumNegative += input[i]};
return [countPositive, sumNegative]
}