diff --git a/README.md b/README.md
index 5fa2560b46..d6a812162f 100644
--- a/README.md
+++ b/README.md
@@ -1 +1,3 @@
 # java-lotto-precourse
+
+## 로또
\ No newline at end of file
diff --git a/src/main/java/lotto/Application.java b/src/main/java/lotto/Application.java
index d190922ba4..a9214f693b 100644
--- a/src/main/java/lotto/Application.java
+++ b/src/main/java/lotto/Application.java
@@ -1,7 +1,71 @@
 package lotto;
 
+import camp.nextstep.edu.missionutils.Console;
+import java.util.Arrays;
+import java.util.List;
+import java.util.stream.Collectors;
+
 public class Application {
     public static void main(String[] args) {
         // TODO: 프로그램 구현
     }
+
+    private static int getPurchaseAmount() {
+        while (true) {
+            try {
+                System.out.println("구입금액을 입력해 주세요.");
+                int amount = Integer.parseInt(Console.readLine());
+                if (amount % 1000 != 0) {
+                    throw new IllegalArgumentException("[ERROR] 구입 금액은 1000원 단위여야 합니다.");
+                }
+                return amount;
+            } catch (IllegalArgumentException e) {
+                System.out.println(e.getMessage());
+            }
+        }
+    }
+
+    private static List<Integer> getWinningNumbers() {
+        while (true) {
+            try {
+                System.out.println("당첨 번호를 입력해 주세요.");
+                String[] input = Console.readLine().split(",");
+                List<Integer> numbers = Arrays.stream(input)
+                        .map(String::trim)
+                        .map(Integer::parseInt)
+                        .collect(Collectors.toList());
+                if (numbers.size() != 6) {
+                    throw new IllegalArgumentException("[ERROR] 당첨 번호는 6개여야 합니다.");
+                }
+                if (numbers.stream().anyMatch(n -> n < 1 || n > 45)) {
+                    throw new IllegalArgumentException("[ERROR] 로또 번호는 1부터 45 사이의 숫자여야 합니다.");
+                }
+                return numbers;
+            } catch (IllegalArgumentException e) {
+                System.out.println(e.getMessage());
+            }
+        }
+    }
+
+    private static int getBonusNumber() {
+        while (true) {
+            try {
+                System.out.println("보너스 번호를 입력해 주세요.");
+                int bonusNumber = Integer.parseInt(Console.readLine());
+                if (bonusNumber < 1 || bonusNumber > 45) {
+                    throw new IllegalArgumentException("[ERROR] 보너스 번호는 1부터 45 사이의 숫자여야 합니다.");
+                }
+                return bonusNumber;
+            } catch (IllegalArgumentException e) {
+                System.out.println(e.getMessage());
+            }
+        }
+    }
+
+    private static void printLottos(List<Lotto> lottos) {
+        System.out.printf("%d개를 구매했습니다.%n", lottos.size());
+        for (Lotto lotto : lottos) {
+            System.out.println(lotto.getNumbers());
+        }
+    }
 }
diff --git a/src/main/java/lotto/Lotto.java b/src/main/java/lotto/Lotto.java
index 88fc5cf12b..abde5701eb 100644
--- a/src/main/java/lotto/Lotto.java
+++ b/src/main/java/lotto/Lotto.java
@@ -14,7 +14,15 @@ private void validate(List<Integer> numbers) {
         if (numbers.size() != 6) {
             throw new IllegalArgumentException("[ERROR] 로또 번호는 6개여야 합니다.");
         }
+        if (numbers.stream().anyMatch(num -> num < 1 || num > 45)) {
+            throw new IllegalArgumentException("[ERROR] 로또 번호는 1부터 45 사이의 숫자여야 합니다.");
+        }
+        if (numbers.stream().distinct().count() != 6) {
+            throw new IllegalArgumentException("[ERROR] 로또 번호는 중복되지 않아야 합니다.");
+        }
     }
 
-    // TODO: 추가 기능 구현
+    public List<Integer> getNumbers() {
+        return numbers;
+    }
 }
diff --git a/src/main/java/lotto/LottoMachine.java b/src/main/java/lotto/LottoMachine.java
new file mode 100644
index 0000000000..3f4eb0b464
--- /dev/null
+++ b/src/main/java/lotto/LottoMachine.java
@@ -0,0 +1,31 @@
+package lotto;
+
+import camp.nextstep.edu.missionutils.Randoms;
+import java.util.ArrayList;
+import java.util.List;
+
+public class LottoMachine {
+    public static final int LOTTO_PRICE = 1000;
+
+    public List<Lotto> generateLottos(int count) {
+        List<Lotto> lottos = new ArrayList<>();
+        for (int i = 0; i < count; i++) {
+            List<Integer> numbers = Randoms.pickUniqueNumbersInRange(1, 45, 6);
+            lottos.add(new Lotto(numbers));
+        }
+        return lottos;
+    }
+
+    public WinningResult checkWinningResults(List<Lotto> userLottos, Lotto winningLotto, int bonusNumber) {
+        WinningResult result = new WinningResult();
+        for (Lotto userLotto : userLottos) {
+            int matchCount = (int) userLotto.getNumbers().stream()
+                    .filter(winningLotto.getNumbers()::contains)
+                    .count();
+            boolean bonusMatch = userLotto.getNumbers().contains(bonusNumber);
+            Rank rank = Rank.valueOf(matchCount, bonusMatch);
+            result.addResult(rank);
+        }
+        return result;
+    }
+}
diff --git a/src/main/java/lotto/Rank.java b/src/main/java/lotto/Rank.java
new file mode 100644
index 0000000000..de0222d384
--- /dev/null
+++ b/src/main/java/lotto/Rank.java
@@ -0,0 +1,35 @@
+package lotto;
+
+public enum Rank {
+    FIRST(6, 2_000_000_000),
+    SECOND(5, 30_000_000),
+    THIRD(5, 1_500_000),
+    FOURTH(4, 50_000),
+    FIFTH(3, 5_000),
+    MISS(0, 0);
+
+    private final int matchCount;
+    private final int prize;
+
+    Rank(int matchCount, int prize) {
+        this.matchCount = matchCount;
+        this.prize = prize;
+    }
+
+    public int getMatchCount() {
+        return matchCount;
+    }
+
+    public int getPrize() {
+        return prize;
+    }
+
+    public static Rank valueOf(int matchCount, boolean bonusMatch) {
+        if (matchCount == 6) return FIRST;
+        if (matchCount == 5 && bonusMatch) return SECOND;
+        if (matchCount == 5) return THIRD;
+        if (matchCount == 4) return FOURTH;
+        if (matchCount == 3) return FIFTH;
+        return MISS;
+    }
+}
diff --git a/src/main/java/lotto/WinningResult.java b/src/main/java/lotto/WinningResult.java
new file mode 100644
index 0000000000..6abfb2c225
--- /dev/null
+++ b/src/main/java/lotto/WinningResult.java
@@ -0,0 +1,39 @@
+package lotto;
+
+import java.util.HashMap;
+import java.util.Map;
+
+public class WinningResult {
+    private final Map<Rank, Integer> resultMap = new HashMap<>();
+
+    public WinningResult() {
+        for (Rank rank : Rank.values()) {
+            resultMap.put(rank, 0);
+        }
+    }
+
+    public void addResult(Rank rank) {
+        resultMap.put(rank, resultMap.get(rank) + 1);
+    }
+
+    public void printResult() {
+        System.out.println("당첨 통계");
+        System.out.println("---");
+        for (Rank rank : Rank.values()) {
+            if (rank.getMatchCount() >= 3) { // 5등 이상 당첨만 출력
+                System.out.printf("%d개 일치", rank.getMatchCount());
+                if (rank == Rank.SECOND) {
+                    System.out.print(", 보너스 볼 일치");
+                }
+                System.out.printf(" (%d원) - %d개%n", rank.getPrize(), resultMap.get(rank));
+            }
+        }
+    }
+
+    public double calculateProfitRate(int purchaseAmount) {
+        long totalPrize = resultMap.entrySet().stream()
+                .mapToLong(entry -> entry.getKey().getPrize() * entry.getValue())
+                .sum();
+        return (double) totalPrize / purchaseAmount * 100;
+    }
+}
diff --git a/src/test/java/lotto/LottoTest.java b/src/test/java/lotto/LottoTest.java
index 309f4e50ae..2ad0174381 100644
--- a/src/test/java/lotto/LottoTest.java
+++ b/src/test/java/lotto/LottoTest.java
@@ -21,5 +21,11 @@ class LottoTest {
                 .isInstanceOf(IllegalArgumentException.class);
     }
 
-    // TODO: 추가 기능 구현에 따른 테스트 코드 작성
+    @DisplayName("로또 번호가 1~45 범위를 벗어나면 예외가 발생한다.")
+    @Test
+    void 로또_번호가_1_에서_45_사이를_벗어나면_예외가_발생한다() {
+        assertThatThrownBy(() -> new Lotto(List.of(0, 46, 3, 4, 5, 6))) // 0과 46이 범위를 벗어남
+                .isInstanceOf(IllegalArgumentException.class)
+                .hasMessage("[ERROR] 로또 번호는 1부터 45 사이의 숫자여야 합니다.");
+    }
 }