diff --git a/README.md b/README.md
index b168a180..344492a7 100644
--- a/README.md
+++ b/README.md
@@ -1 +1,58 @@
 # javascript-planetlotto-precourse
+
+### 기능 목록
+
+1. 구매 금액 입력
+2. 구매 개수 및 로또 번호 출력
+    1. 로또 1개 가격: 500원
+    2. 로또 번호는 1-30 사이 중복되지 않는 5개의 숫자
+3. 당첨 번호 입력
+    1. 당첨 번호는 1-30 사이 중복되지 않는 5개의 숫자
+    2. 쉼표로 구분
+4. 보너스 번호 입력
+    1. 당첨 번호와 중복되지 않는 1-30 사이 숫자
+5. 당첨 번호 비교
+    - 1등: 5개 번호 일치 / 100,000,000원
+    - 2등: 4개 번호 + 보너스 번호 일치 / 10,000,000원
+    - 3등: 4개 번호 일치 / 1,500,000원
+    - 4등: 3개 번호 일치 + 보너스 번호 일치 / 500,000원
+    - 5등: 2개 번호 일치 + 보너스 번호 일치 / 5,000원
+6. 당첨 통계 출력
+
+### 테스트 사항
+
+1. 정상 기능 동작
+2. 구매 금액에 문자 입력 시 예외
+
+### 실행 결과 예시
+
+```md
+구입금액을 입력해 주세요.
+1000
+
+2개를 구매했습니다.
+[8, 11, 13, 21, 22]
+[1, 3, 6, 14, 22]
+
+당첨 번호를 입력해 주세요.
+1, 2, 3, 4, 5
+
+보너스 번호 번호를 입력해 주세요.
+6
+
+당첨 통계
+---
+5개 일치 (100,000,000원) - 0개
+4개 일치, 보너스 번호 일치 (10,000,000원) - 0개
+4개 일치 (1,500,000원) - 0개
+3개 일치, 보너스 번호 일치 (500,000원) - 0개
+2개 일치, 보너스 번호 일치 (5,000원) - 1개
+0개 일치 (0원) - 1개
+```
+
+### 도전 과제
+
+리팩터링
+
+- 연습했던 대로 말고, 익숙하지 않은 방식으로
+- getter를 줄이고, 되도록 tell하도록
diff --git a/__tests__/LottoNumberTest.js b/__tests__/LottoNumberTest.js
new file mode 100644
index 00000000..8585c704
--- /dev/null
+++ b/__tests__/LottoNumberTest.js
@@ -0,0 +1,28 @@
+import LottoNumber from '../src/lotto/LottoNumber.js';
+import { LOTTO_NUMBER } from '../src/constants/lotto.js';
+
+describe('LottoNumber 클래스', () => {
+  beforeEach(() => {
+    jest.restoreAllMocks();
+  });
+
+  test('equals: 두 LottoNumber를 비교하여 동일한 number를 가지면 true를 반환하다.', () => {
+    const lottoNumber1 = new LottoNumber(1);
+    const lottoNumber2 = new LottoNumber(1);
+    expect(lottoNumber1.equals(lottoNumber2)).toBe(true);
+  });
+
+  test('equals: 두 LottoNumber를 비교하여 서로 다른 number를 가지면 false를 반환하다.', () => {
+    const lottoNumber1 = new LottoNumber(1);
+    const lottoNumber2 = new LottoNumber(2);
+    expect(lottoNumber1.equals(lottoNumber2)).toBe(false);
+  });
+
+  test(`exception: 로또 번호가 ${LOTTO_NUMBER.MIN}보다 작으면 예외 발생한다.`, () => {
+    expect(() => new LottoNumber(LOTTO_NUMBER.MIN - 1)).toThrow();
+  });
+
+  test(`exception: 로또 번호가 ${LOTTO_NUMBER.MAX}보다 크면 예외 발생한다.`, () => {
+    expect(() => new LottoNumber(LOTTO_NUMBER.MAX + 1)).toThrow();
+  });
+});
diff --git a/__tests__/LottoTest.js b/__tests__/LottoTest.js
new file mode 100644
index 00000000..7f53dac2
--- /dev/null
+++ b/__tests__/LottoTest.js
@@ -0,0 +1,38 @@
+import Lotto from '../src/lotto/Lotto.js';
+import LottoNumber from '../src/lotto/LottoNumber.js';
+
+describe('Lotto 클래스', () => {
+  beforeEach(() => {
+    jest.restoreAllMocks();
+  });
+
+  test('includes: Lotto에 포함된 LottoNumber가 들어오면 true를 반환하다.', () => {
+    const lotto = new Lotto([1, 2, 3, 4, 5]);
+    const lottoNumber = new LottoNumber(1);
+    expect(lotto.includes(lottoNumber)).toBe(true);
+  });
+
+  test('includes: Lotto에 포함되지 않은 LottoNumber가 들어오면 false를 반환하다.', () => {
+    const lotto = new Lotto([1, 2, 3, 4, 5]);
+    const lottoNumber = new LottoNumber(6);
+    expect(lotto.includes(lottoNumber)).toBe(false);
+  });
+
+  test('matchCount: 두 Lotto를 비교하여 겹치는 숫자의 개수를 반환한다.', () => {
+    const lotto1 = new Lotto([1, 2, 3, 4, 5]);
+    const lotto2 = new Lotto([1, 2, 3, 4, 6]);
+    expect(lotto1.matchCount(lotto2)).toBe(4);
+  });
+
+  test('exception: 중복 번호가 포함되어 있으면 예외를 발생한다.', () => {
+    expect(() => new Lotto([1, 2, 3, 4, 4])).toThrow();
+  });
+
+  test('exception: 로또 번호 개수가 5보다 작으면 예외를 발생한다.', () => {
+    expect(() => new Lotto([1, 2, 3, 4])).toThrow();
+  });
+
+  test('exception: 로또 번호 개수가 5보다 크면 예외를 발생한다.', () => {
+    expect(() => new Lotto([1, 2, 3, 4, 5, 6])).toThrow();
+  });
+});
diff --git a/src/App.js b/src/App.js
index 091aa0a5..6740d53a 100644
--- a/src/App.js
+++ b/src/App.js
@@ -1,5 +1,73 @@
+import { InputView, OutputView } from './view.js';
+import Lotto from './lotto/Lotto.js';
+import LottoNumber from './lotto/LottoNumber.js';
+import LottoResult from './lotto/LottoResult.js';
+import WinningLottoAndBonusNumberBuilder from './lotto/WinningLottoAndBonusNumberBuilder.js';
+import LottoStore from './lotto/LottoStore.js';
+
 class App {
-  async run() {}
+  constructor() {
+    this.inputView = InputView;
+    this.outputView = OutputView;
+    this.lottoStore = new LottoStore();
+  }
+
+  async run() {
+    const lottos = await this.createLotto();
+    this.outputView.printPurchasedLottos(lottos);
+
+    const winningLottoAndBonusNumber = await this.createWinningLottoAndBonusNumber();
+    const lottoResult = new LottoResult(lottos, winningLottoAndBonusNumber);
+    this.outputView.printResult(lottoResult);
+  }
+
+  async createLotto() {
+    return await this.#retryOnError(async () => {
+      const amount = await this.readAmount();
+      return this.lottoStore.purchase(amount);
+    });
+  }
+
+  async readAmount() {
+    return await this.#retryOnError(async () => {
+      return await this.inputView.askAmount();
+    });
+  }
+
+  async createWinningLottoAndBonusNumber() {
+    const builder = new WinningLottoAndBonusNumberBuilder();
+
+    await this.readWinningLotto(builder);
+    await this.readBonusNumber(builder);
+
+    return builder.build();
+  }
+
+  async readWinningLotto(builder) {
+    return await this.#retryOnError(async () => {
+      const winningLottoInput = await this.inputView.askWinningLotto();
+      const winningLotto = new Lotto(winningLottoInput);
+      builder.winningLotto(winningLotto);
+    });
+  }
+
+  async readBonusNumber(builder) {
+    return await this.#retryOnError(async () => {
+      const bonusNumberInput = await this.inputView.askBonusNumber();
+      const bonusNumber = new LottoNumber(bonusNumberInput);
+      builder.bonusNumber(bonusNumber);
+    });
+  }
+
+  async #retryOnError(callback) {
+    while (true) {
+      try {
+        return await callback();
+      } catch (error) {
+        this.outputView.printErrorMessage(error.message);
+      }
+    }
+  }
 }
 
 export default App;
diff --git a/src/constants/lotto.js b/src/constants/lotto.js
new file mode 100644
index 00000000..b2db7bb0
--- /dev/null
+++ b/src/constants/lotto.js
@@ -0,0 +1,17 @@
+export const RANK = {
+  FIRST: 1,
+  SECOND: 2,
+  THIRD: 3,
+  FOURTH: 4,
+  FIFTH: 5,
+  ZERO: 0,
+};
+
+export const LOTTO_PRICE = 500;
+
+export const LOTTO_NUMBER = {
+  MIN: 1,
+  MAX: 31,
+};
+
+export const LOTTO_LENGTH = 5;
diff --git a/src/lotto/Lotto.js b/src/lotto/Lotto.js
new file mode 100644
index 00000000..d4b94bfd
--- /dev/null
+++ b/src/lotto/Lotto.js
@@ -0,0 +1,42 @@
+import LottoNumber from './LottoNumber.js';
+import { LOTTO_LENGTH } from '../constants/lotto.js';
+
+class Lotto {
+  #lottoNumbers;
+
+  constructor(numbers) {
+    this.#validateNumbers(numbers);
+    this.#lottoNumbers = numbers.sort((a, b) => a - b).map((num) => new LottoNumber(num));
+  }
+
+  join(delimiter) {
+    const numbers = this.#lottoNumbers.map((lottoNumber) => lottoNumber.getNumber());
+    return numbers.join(delimiter);
+  }
+
+  includes(otherLottoNumber) {
+    return this.#lottoNumbers.some((lottoNumber) => lottoNumber.equals(otherLottoNumber));
+  }
+
+  matchCount(lotto) {
+    return this.#lottoNumbers.reduce((total, lottoNumber) => {
+      if (lotto.includes(lottoNumber)) {
+        return total + 1;
+      }
+      return total;
+    }, 0);
+  }
+
+  #validateNumbers(numbers) {
+    const numberSet = new Set(numbers);
+    if (numbers.length !== numberSet.size) {
+      throw new Error('중복 번호가 포함되어 있습니다.');
+    }
+
+    if (numbers.length !== LOTTO_LENGTH) {
+      throw new Error('로또 번호는 5개여야 합니다.');
+    }
+  }
+}
+
+export default Lotto;
diff --git a/src/lotto/LottoNumber.js b/src/lotto/LottoNumber.js
new file mode 100644
index 00000000..3e779689
--- /dev/null
+++ b/src/lotto/LottoNumber.js
@@ -0,0 +1,26 @@
+import { LOTTO_NUMBER } from '../constants/lotto.js';
+
+class LottoNumber {
+  #number;
+
+  constructor(number) {
+    this.#validate(number);
+    this.#number = number;
+  }
+
+  #validate(number) {
+    if (number < LOTTO_NUMBER.MIN || number > LOTTO_NUMBER.MAX) {
+      throw new Error(`로또 번호는 ${LOTTO_NUMBER.MIN}부터 ${LOTTO_NUMBER.MAX} 사이의 숫자여야 합니다.`);
+    }
+  }
+
+  equals(lottoNumber) {
+    return this.#number === lottoNumber.getNumber();
+  }
+
+  getNumber() {
+    return this.#number;
+  }
+}
+
+export default LottoNumber;
diff --git a/src/lotto/LottoResult.js b/src/lotto/LottoResult.js
new file mode 100644
index 00000000..c832c202
--- /dev/null
+++ b/src/lotto/LottoResult.js
@@ -0,0 +1,40 @@
+import { RANK } from '../constants/lotto.js';
+
+class LottoResult {
+  #ranks;
+
+  constructor(lottos, winningLottoAndBonusNumber) {
+    this.#ranks = this.#calculateRanks(lottos, winningLottoAndBonusNumber);
+  }
+
+  #calculateRanks(lottos, winningLottoAndBonusNumber) {
+    const ranks = new Map(Object.values(RANK).map((rank) => [rank, 0]));
+
+    lottos.forEach((lotto) => {
+      const matchCount = winningLottoAndBonusNumber.matchCount(lotto);
+      const hasBonusNumber = winningLottoAndBonusNumber.hasBonusNumberIn(lotto);
+
+      const rank = this.#getRank(matchCount, hasBonusNumber);
+      if (Number.isInteger(rank)) {
+        ranks.set(rank, ranks.get(rank) + 1);
+      }
+    });
+
+    return ranks;
+  }
+
+  #getRank(matchCount, hasBonusNumber) {
+    if (matchCount === 5) return RANK.FIRST;
+    if (matchCount === 4 && hasBonusNumber) return RANK.SECOND;
+    if (matchCount === 4) return RANK.THIRD;
+    if (matchCount === 3 && hasBonusNumber) return RANK.FOURTH;
+    if (matchCount === 2 && hasBonusNumber) return RANK.FIFTH;
+    if (matchCount === 0 && !hasBonusNumber) return RANK.ZERO;
+  }
+
+  get(rank) {
+    return this.#ranks.get(rank);
+  }
+}
+
+export default LottoResult;
diff --git a/src/lotto/LottoStore.js b/src/lotto/LottoStore.js
new file mode 100644
index 00000000..32abf80c
--- /dev/null
+++ b/src/lotto/LottoStore.js
@@ -0,0 +1,27 @@
+import { Random } from '@woowacourse/mission-utils';
+import { LOTTO_LENGTH, LOTTO_NUMBER, LOTTO_PRICE } from '../constants/lotto.js';
+import Lotto from './Lotto.js';
+
+class LottoStore {
+  purchase(amount) {
+    this.#validateAmount(amount);
+    const count = Math.floor(amount / LOTTO_PRICE);
+
+    return Array.from({ length: count }, () => {
+      const randomNumbers = this.#getRandomNumbers();
+      return new Lotto(randomNumbers);
+    });
+  }
+
+  #validateAmount(amount) {
+    if (amount < LOTTO_PRICE) {
+      throw new Error(`로또는 1장에 ${LOTTO_PRICE}원입니다. ${LOTTO_PRICE}원 이상 입력해 주세요.`);
+    }
+  }
+
+  #getRandomNumbers() {
+    return Random.pickUniqueNumbersInRange(LOTTO_NUMBER.MIN, LOTTO_NUMBER.MAX, LOTTO_LENGTH);
+  }
+}
+
+export default LottoStore;
diff --git a/src/lotto/WinningLottoAndBonusNumber.js b/src/lotto/WinningLottoAndBonusNumber.js
new file mode 100644
index 00000000..af06b027
--- /dev/null
+++ b/src/lotto/WinningLottoAndBonusNumber.js
@@ -0,0 +1,20 @@
+class WinningLottoAndBonusNumber {
+  #winningLotto;
+  #bonusNumber;
+
+  // builder를 통한 생성으로 제한
+  constructor(builder) {
+    this.#winningLotto = builder.getWinningLotto();
+    this.#bonusNumber = builder.getBonusNumber();
+  }
+
+  matchCount(lotto) {
+    return this.#winningLotto.matchCount(lotto);
+  }
+
+  hasBonusNumberIn(lotto) {
+    return lotto.includes(this.#bonusNumber);
+  }
+}
+
+export default WinningLottoAndBonusNumber;
diff --git a/src/lotto/WinningLottoAndBonusNumberBuilder.js b/src/lotto/WinningLottoAndBonusNumberBuilder.js
new file mode 100644
index 00000000..9cd0d793
--- /dev/null
+++ b/src/lotto/WinningLottoAndBonusNumberBuilder.js
@@ -0,0 +1,37 @@
+import WinningLottoAndBonusNumber from './WinningLottoAndBonusNumber.js';
+
+class WinningLottoAndBonusNumberBuilder {
+  #winningLotto;
+  #bonusNumber;
+
+  winningLotto(winningLotto) {
+    this.#winningLotto = winningLotto;
+    return this;
+  }
+
+  bonusNumber(bonusNumber) {
+    this.#validateBonusNumber(bonusNumber);
+    this.#bonusNumber = bonusNumber;
+    return this;
+  }
+
+  build() {
+    return new WinningLottoAndBonusNumber(this);
+  }
+
+  getWinningLotto() {
+    return this.#winningLotto;
+  }
+
+  getBonusNumber() {
+    return this.#bonusNumber;
+  }
+
+  #validateBonusNumber(bonusNumber) {
+    if (this.#winningLotto && this.#winningLotto.includes(bonusNumber)) {
+      throw new Error('이미 당첨 번호에 포함된 번호입니다.');
+    }
+  }
+}
+
+export default WinningLottoAndBonusNumberBuilder;
diff --git a/src/view.js b/src/view.js
index ae6afd9c..556b6d45 100644
--- a/src/view.js
+++ b/src/view.js
@@ -1,4 +1,4 @@
-import { MissionUtils } from "@woowacourse/mission-utils";
+import { MissionUtils } from '@woowacourse/mission-utils';
 
 const InputView = {
   /**
@@ -20,15 +20,15 @@ const InputView = {
     const input = await MissionUtils.Console.readLineAsync('지난 주 당첨 번호를 입력해 주세요.\n');
 
     return input
-      .replaceAll(' ', '')
-      .split(',')
-      .map((s) => {
-        const n = parseInt(s, 10);
-        if (Number.isNaN(n)) {
-          throw new Error('당첨 번호는 숫자여야 합니다.');
-        }
-        return n;
-      });
+    .replaceAll(' ', '')
+    .split(',')
+    .map((s) => {
+      const n = parseInt(s, 10);
+      if (Number.isNaN(n)) {
+        throw new Error('당첨 번호는 숫자여야 합니다.');
+      }
+      return n;
+    });
   },
 
   /**
@@ -51,7 +51,7 @@ const OutputView = {
   printPurchasedLottos(lottos) {
     const lines = [
       `${lottos.length}개를 구매했습니다.`,
-        ...lottos.map(lotto => `[${lotto.join(', ')}]`),
+      ...lottos.map(lotto => `[${lotto.join(', ')}]`),
     ];
     MissionUtils.Console.print(lines.join('\n'));
   },