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/*
  [programmers / 짝수 홀수 개수]

  num_list	result
  [1, 2, 3, 4, 5]	[2, 3]
  [1, 3, 5, 7]	[0, 4]
*/

function discrimination(num_list) {
  let odd = 0,
    even = 0;

  for (let i = 0; i < num_list.length; i++) {
    if (num_list[i] % 2 == 0) {
      even++;
    } else {
      odd++;
    }
  }
  return [even, odd];
}

function solution(num_list) {
  let answer = discrimination(num_list);

  return answer;
}