単語の出現回数を多い順に出す

words = input().split()

counts = {}
for word in words:
    counts[word] = counts.get(word, 0) + 1

for word, count in sorted(counts.items(), key=lambda pair: (-pair[1], pair[0])):
    print(word, count)

const lines = require("fs").readFileSync(0, "utf8").split("\n");
const words = lines[0].split(" ");

const counts = new Map();
for (const word of words) {
  counts.set(word, (counts.get(word) ?? 0) + 1);
}

const pairs = [...counts.entries()];
pairs.sort((a, b) => b[1] - a[1] || (a[0] < b[0] ? -1 : a[0] > b[0] ? 1 : 0));

console.log(pairs.map(([word, count]) => `${word} ${count}`).join("\n"));