diff --git a/CodeStarterCamp_Week4/main.swift b/CodeStarterCamp_Week4/main.swift
index dc2eb96..c23fcbb 100644
--- a/CodeStarterCamp_Week4/main.swift
+++ b/CodeStarterCamp_Week4/main.swift
@@ -8,5 +8,81 @@
 
 import Foundation
 
-print("Hello, World!")
+class BodyCondition {
+    var upperBodyStrength = 0
+    var lowerBodyStrength = 0
+    var muscularEndurance = 0
+    var fatigue = 0
+    
+    func printBodyCondition() {
+        print("--------------")
+        print("현재의 컨디션은 다음과 같습니다.")
+        print("상체근력: \(upperBodyStrength)")
+        print("하체근력: \(lowerBodyStrength)")
+        print("근지구력: \(muscularEndurance)")
+        print("피로도: \(fatigue)")
+    }
+}
+
+var person = BodyCondition()
+
+struct Exercise {
+    let name: String
+    let action: () -> Void
+}
+
+let situp = Exercise(name: "윗몸일으키기", action: {
+    let random = Int.random(in: 10..<20)
+    person.upperBodyStrength += random
+    person.fatigue += random
+})
+
+let squat = Exercise(name: "스쿼트", action: {
+    let randomForStrength = Int.random(in: 20..<30)
+    let randomForFatigue = Int.random(in: 10..<20)
+    person.lowerBodyStrength += randomForStrength
+    person.fatigue += randomForFatigue
+})
+
+let running = Exercise(name: "오래달리기", action: {
+    let randomForEndurance = Int.random(in: 20..<30)
+    let randomForStrength = Int.random(in: 5..<10)
+    let randomForFatigue = Int.random(in: 20..<30)
+    person.muscularEndurance += randomForEndurance
+    person.lowerBodyStrength += randomForStrength
+    person.upperBodyStrength += randomForStrength
+    person.fatigue += randomForFatigue
+})
+
+let activeRest = Exercise(name: "동적휴식", action: {
+    let randomForFatigue = Int.random(in: 5..<10)
+    person.fatigue += randomForFatigue
+})
+
+class Routine {
+    let name: String
+    var exercises: [Exercise]
+    
+    init(name: String, exercises: [Exercise]) {
+        self.name = name
+        self.exercises = exercises
+    }
+    
+    func doRoutine(){
+        print("--------------")
+        print("\(self.name)을 시작합니다.")
+        for count in 0..<exercises.count {
+            exercises[count].action()
+            print("\(exercises[count].name)")
+        }
+    }
+}
+    
+let hellRoutine = Routine(name: "헬루틴", exercises: [situp, situp,
+                                                activeRest,
+                                                squat, squat,
+                                                activeRest,
+                                                running, running])
+hellRoutine.doRoutine()
+person.printBodyCondition()