Lodo4ka

import { length } from './strings'; // eslint-disable-line

// BEGIN (write your solution here)

const sum = (str) => {
  let result = 0;
  for(let i = 0; i < length(str); i++) {
    result += Number(str[i]);
  }
  

Lodo4ka

// BEGIN (write your solution here)
const smallestDivisor = num => {
  let divisor = 2;

  if(num < 1) {
    return NaN;
  }

  if(num === 1) {
    return num;