diff --git a/src/main/java/lotto/Application.java b/src/main/java/lotto/Application.java
index d190922..6eaf049 100644
--- a/src/main/java/lotto/Application.java
+++ b/src/main/java/lotto/Application.java
@@ -1,7 +1,190 @@
 package lotto;
+import java.util.*;
+
+import org.kokodak.Console;
+import org.kokodak.Randoms;
+import org.mockito.internal.matchers.Null;
 
 public class Application {
+
+    private static List<Integer> generateLottoNumbers() {
+        List<Integer> numbers = new ArrayList<>();
+        numbers = Randoms.pickUniqueNumbersInRange(1, 45, 6);
+        return numbers;
+    }
+
+    public static int cashInput()
+    {
+        int cash;
+        while (true) {
+            System.out.println("구매금액을 입력해 주세요.");
+            String input = Console.readLine(); //수정중
+            if (stringIsInt(input) == false)
+                continue;
+            cash = Integer.parseInt(input);
+            if (cash >= 1000)
+                return cash;
+            System.out.println("[ERROR] 1000이상의 금액을 입력해야 합니다.");
+        }
+    }
+
+    private static List<Lotto> getLottoNums(int numOfPurchase) {
+        List<Lotto> lottoList = new ArrayList<>();
+        for (int i = 0; i < numOfPurchase; i++) {
+            List<Integer> numbers = generateLottoNumbers(); // 6개의 랜덤한 번호 생성
+            Lotto lotto = new Lotto(numbers); // 생성된 번호로 Lotto 객체 생성
+            lottoList.add(lotto); // 리스트에 Lotto 객체 추가
+        }
+
+        return lottoList;
+    }
+
+    public static void printLotto(List<Lotto> lottoList){
+        for (int i = 0; i < lottoList.size(); i++) {
+            Lotto lotto = lottoList.get(i);
+            System.out.println("Lotto " + (i + 1) + " numbers: " + lotto.getNumbers());
+        }
+    }
+
+    private static String[] winningNumInput(){
+        System.out.println("당첨 번호를 입력해 주세요.");
+        String str = Console.readLine();
+        String[] array = str.split(",");
+        return array;
+    }
+
+    public static boolean stringIsInt(String str){
+        int num;
+        try {
+            num = Integer.parseInt(str);
+        } catch (NumberFormatException e) {
+            System.out.println("[ERROR]Invalid Num Input");
+            return false;
+            // 변환에 실패한 경우, 문자열에 숫자 이외의 문자가 포함되어 있다.
+        }
+        return true;
+    }
+
+    private static boolean InputValidationCheck(String[] array){
+        if (array.length != 6) {
+            System.out.println("[ERROR]Invalid number count");
+            return false;
+        }
+        for (String tmp: array) {
+            if (stringIsInt(tmp) == false)
+                return false;
+            int num = Integer.parseInt(tmp);
+            if (num > 45 || num < 1) {
+                System.out.println("[ERROR]Invalid Num Arrange");
+                return false;
+            }
+        }
+        return true;
+    }
+
+    public static List<Integer> getWinningNum(){
+        List<Integer> winningNum = new ArrayList<>();
+        String[] winningNumStr;
+        //올바른 값이 들어오도록 계속 입력받아야한다
+        while (true) {
+            winningNumStr = winningNumInput();
+            if (InputValidationCheck(winningNumStr) == true) {
+                break;
+            }
+        }
+        //올바르게 입력받은 당첨 번호들을 나눠야한다
+        for (String tmp : winningNumStr) {
+            winningNum.add(Integer.parseInt((tmp)));
+        }
+        return winningNum;
+    }
+
+    private static boolean checkNumInWinningNum(List<Integer> winningNum, int number){
+        for (int winNum : winningNum) {
+            if (number == winNum)
+                return true;
+        }
+        return false;
+    }
+
+
+    private static int matches(List<Integer> winningNum, Lotto lottos, int bonusNum){
+        int match = 0;
+        int flag = 0;
+
+        for (int number : lottos.getNumbers()){
+            if (checkNumInWinningNum(winningNum, number) == true)
+                match++;
+            if (number == bonusNum)
+                flag = 1;
+        }
+        if (match == 6)
+            match = 7;
+        if (match == 5 && flag == 1)
+            match = 6;
+        return match; //몇개가 일치하는지 제공
+    }
+
+    public static int printSpecificNumberCounts(List<Integer> numbers, List<Lotto>lottoList) {
+        Map<Integer, Integer> counts = new HashMap<>();
+        for (int num : numbers) {
+            if (num >= 3 && num <= 6) {
+                counts.put(num, counts.getOrDefault(num, 0) + 1);
+            }
+        }
+        int sum = 0;
+        String[] winnigAmount = {"5,000", "50,000", "1,500,000", "30,000,000", "2,000,000,000"};
+        for (int i = 3; i <= 7; i++) {
+            if (i == 6)
+                System.out.println(i - 1 + "개 일치, 보너스 볼 일치 (" + winnigAmount[i - 3] + "원) - " + counts.getOrDefault(i, 0) + "개");
+            else if (i == 7)
+                System.out.println(i - 1 + "개 일치 (" + winnigAmount[i - 3] + "원) - " + counts.getOrDefault(i, 0) + "개");
+            else
+            System.out.println(i + "개 일치 (" + winnigAmount[i - 3] + "원) - " + counts.getOrDefault(i, 0) + "개");
+            sum += counts.getOrDefault(i, 0) * Integer.parseInt(winnigAmount[i - 3].replace(",", ""));
+        }
+        return sum;
+    }
+
+    public static void winningStatistics(List<Integer> winningNum, List<Lotto> lottoList, int bonusNum, int numOfPurchase){
+        List<Integer> lottoResult = new ArrayList<>();
+
+        for (Lotto lottos : lottoList){
+            lottoResult.add(matches(winningNum, lottos, bonusNum));
+        }
+        //당첨개수를 출력한다
+        int sum = printSpecificNumberCounts(lottoResult, lottoList);
+        System.out.println("sum : " + sum);
+        double rateOfReturn = Math.round(((double)sum / (numOfPurchase * 1000) * 100) * 10.0) / 10.0;
+        System.out.println("총 수익률은 " + rateOfReturn + "%입니다.");
+    }
+
+    private static int getBonusNum(){
+        while (true) {
+            System.out.println("보너스 번호를 입력해 주세요.");
+            String str = Console.readLine();
+            if (stringIsInt(str) == false)
+                continue;
+            return Integer.parseInt(str);
+        }
+    }
+
     public static void main(String[] args) {
         // TODO: 프로그램 구현
+        int cash = cashInput(); //금액을 입력받음
+        int numOfPurchase = cash / 1000;
+        System.out.println(numOfPurchase + "개를 구매했습니다.");
+
+        //로또 번호를 생성한다
+        List<Lotto> lottoList = getLottoNums(numOfPurchase);
+
+        // 생성된 Lotto 객체들을 사용하거나 출력
+        printLotto(lottoList);
+
+        //당첨번호 입력받기
+        List<Integer> winningNum = getWinningNum();
+
+        //7개의 당첨번호로 로또마다 당첨금액을 계산한다
+        winningStatistics(winningNum, lottoList, getBonusNum(), numOfPurchase);
     }
 }
diff --git a/src/main/java/lotto/Lotto.java b/src/main/java/lotto/Lotto.java
index 519793d..53da518 100644
--- a/src/main/java/lotto/Lotto.java
+++ b/src/main/java/lotto/Lotto.java
@@ -1,20 +1,24 @@
 package lotto;
-
 import java.util.List;
+import java.util.ArrayList;
 
 public class Lotto {
-    private final List<Integer> numbers;
+    private final List<Integer> numbers; //로또 숫자들을 저장할 배열
 
     public Lotto(List<Integer> numbers) {
         validate(numbers);
         this.numbers = numbers;
-    }
+    } //constructor
 
     private void validate(List<Integer> numbers) {
         if (numbers.size() != 6) {
             throw new IllegalArgumentException();
         }
     }
+    public List<Integer> getNumbers()
+    {
+        return numbers;
+    }
 
     // TODO: 추가 기능 구현
 }
diff --git a/src/main/java/lotto/Main.java b/src/main/java/lotto/Main.java
new file mode 100644
index 0000000..e69de29
diff --git a/src/test/java/lotto/ApplicationTest.java b/src/test/java/lotto/ApplicationTest.java
index 404cbe1..0db79bd 100644
--- a/src/test/java/lotto/ApplicationTest.java
+++ b/src/test/java/lotto/ApplicationTest.java
@@ -11,6 +11,14 @@
 class ApplicationTest extends NsTest {
     private static final String ERROR_MESSAGE = "[ERROR]";
 
+    @Test
+    void input_count_error() {
+        assertSimpleTest(() -> {
+            runException("-8000");
+            assertThat(output()).contains(ERROR_MESSAGE);
+        });
+    }
+
     @Test
     void 기능_테스트() {
         assertRandomUniqueNumbersInRangeTest(