diff --git a/docs/README.md b/docs/README.md
new file mode 100644
index 000000000..fd7e28dc9
--- /dev/null
+++ b/docs/README.md
@@ -0,0 +1,11 @@
+<구현할 기능 목록>
+
+1. 랜덤 값 추출하기
+2. 게임 시작 문구 출력하기
+3. 서로 다른 수 3자리 입력받기
+4. 입력 받은 값과 랜덤 값 비교하기
+5. 결과 출력하기 (맞힌 개수 표시/정답)
+6. 재시작/종료 문구 출력하기
+7. 재시작/종료 선택하기
+8. 재시작 하기
+9. 종료하기
\ No newline at end of file
diff --git a/local.properties b/local.properties
new file mode 100644
index 000000000..66c9052e6
--- /dev/null
+++ b/local.properties
@@ -0,0 +1,8 @@
+## This file must *NOT* be checked into Version Control Systems,
+# as it contains information specific to your local configuration.
+#
+# Location of the SDK. This is only used by Gradle.
+# For customization when using a Version Control System, please read the
+# header note.
+#Tue Oct 24 23:56:26 KST 2023
+sdk.dir=C\:\\Users\\HOME\\AppData\\Local\\Android\\Sdk
diff --git a/src/main/kotlin/baseball/Application.kt b/src/main/kotlin/baseball/Application.kt
index 148d75cc3..72794449a 100644
--- a/src/main/kotlin/baseball/Application.kt
+++ b/src/main/kotlin/baseball/Application.kt
@@ -1,5 +1,90 @@
 package baseball
 
-fun main() {
-    TODO("프로그램 구현")
+import camp.nextstep.edu.missionutils.Console
+import camp.nextstep.edu.missionutils.Randoms
+
+fun inputCheck(inputNumber: String) {
+    if (inputNumber.length != 3) {
+        throw IllegalArgumentException ()
+    }
+}
+
+fun randomNum(): MutableList<Int> {
+    val computer = mutableListOf<Int>()
+    while (computer.size < 3) {
+        val randomNumber = Randoms.pickNumberInRange(1, 9)
+        if (!computer.contains(randomNumber)) {
+            computer.add(randomNumber)
+        }
+    }
+    return computer
+}
+
+fun inputNum(): MutableList<Int> {
+    val user = mutableListOf<Int>()
+    print("숫자를 입력해주세요 : ")
+    val inputNumber = Console.readLine()!!
+    inputCheck(inputNumber)
+    for (i in inputNumber) {
+        user.add(i.digitToInt())
+    }
+    return user
+}
+
+fun hintResult(computerNum: MutableList<Int>, userNum: MutableList<Int>): Int {
+    var strike = 0
+    var ball = 0
+    var not = 0
+        for (i in userNum.indices) {
+            if (userNum[i] == computerNum[i]) {
+                strike += 1
+            } else if (computerNum.contains(userNum[i])) {
+                ball += 1
+            } else {
+                not += 1
+            }
+        }
+        if (strike == 3) {
+            println("${strike}스트라이크")
+            println("3개의 숫자를 모두 맞히셨습니다! 게임 종료")
+        } else if (not == 3) {
+            println("낫싱")
+        } else if (strike == 0 && ball == 0) {
+            println("낫싱")
+        } else if (strike > 0 && ball == 0) {
+            println("${strike}스트라이크")
+        } else if (strike == 0 && ball > 0) {
+            println("${ball}볼")
+        } else println("${ball}볼 ${strike}스트라이크 ")
+    return strike
+}
+
+fun restartEnd(): Int {
+    println("게임을 새로 시작하려면 1, 종료하려면 2를 입력하세요.")
+    val choice = Console.readLine()!!.toInt()
+    return choice
 }
+
+fun playGame() {
+    while (true) {
+        val computerNum = randomNum()
+        while (true) {
+            val userNum = inputNum()
+            val strike = hintResult(computerNum, userNum)
+            if (strike == 3) {
+                break
+            }
+        }
+        val userChoice = restartEnd()
+        if (userChoice == 1) {
+            continue
+        } else {
+            break
+        }
+    }
+}
+
+fun main() {
+    println("숫자 야구 게임을 시작합니다.")
+    playGame()
+}
\ No newline at end of file