midyear test

var vowels = "aeiou";
var doubled = ['e', 'u']
var input = "turtles and turpentine";//input string of your choice

var result = "";

for (i = 0; i < input.length; i++)
{
  if(vowels.indexOf(input[i]) >= 0)
  { result += input[i];
  }
}

var final = result.split('').map((l) => (doubled.includes(l) ? l + l : l)).join('');
console.log(final.toUpperCase())