function solution(brown, yellow) {
  var answer = [];
  const total = brown + yellow;

  let y = 0;
  for (let x = Math.floor(Math.sqrt(total)); x <= total; x++) {
    if (total % x === 0) {
      y = total / x;
      if (2 * x + 2 * y - 4 === brown) return y > x ? [y, x] : [x, y];
    }
  }

  return answer;
}