Legendary Farming

function solve(arr) {
  const input = arr.split(' ');
  let elements = {'shards': 0, 'fragments': 0, 'motes': 0};
  let gatheredJunk = {};
  const legendaryItems = {'fragments': 'Valanyr', 'shards': 'Shadowmourne', 'motes': 'Dragonwrath'};

  for (let i = 0; i < input.length - 1; i+=2) {
    const quantity = Number(input[i]);
    const item = input[i+1].toLowerCase();
    if (Object.keys(elements).includes(item)) {
      elements[item] += quantity;
      if (elements[item] >= 250) {
        console.log(`${legendaryItems[item]} obtained!`);
        elements[item] -= 250;
        break;
      }
    } else {
      if (!Object.keys(gatheredJunk).includes(item)) {
        gatheredJunk[item] = 0;
      }
      gatheredJunk[item] += quantity;
    }
  }

  for (const element of [...Object.entries(elements)].sort((a, b) => b[1] - a[1] || a[0].localeCompare(b[0]))) {
    console.log(`${element[0]}: ${element[1]}`);
  }

  for (const junk of [...Object.entries(gatheredJunk)].sort((a, b) => a[0].localeCompare(b[0]))) {
    console.log(`${junk[0]}: ${junk[1]}`);
  }
}