diff --git a/CodeStarterCamp_Week1/main.swift b/CodeStarterCamp_Week1/main.swift
index 5878a146..65088686 100644
--- a/CodeStarterCamp_Week1/main.swift
+++ b/CodeStarterCamp_Week1/main.swift
@@ -8,5 +8,4 @@
 
 import Foundation
 
-drawIceCreamBody()
-drawIceCreamBar()
+drawPepero(stickLenth: 12, bodyDecoration: " ***", bodyLenth: 4)
diff --git a/CodeStarterCamp_Week1/step3.swift b/CodeStarterCamp_Week1/step3.swift
new file mode 100644
index 00000000..9176a2e8
--- /dev/null
+++ b/CodeStarterCamp_Week1/step3.swift
@@ -0,0 +1,30 @@
+//
+//  step3.swift
+//  CodeStarterCamp_Week1
+//
+//  Created by jeseoyoung on 2024/09/14.
+//
+
+import Foundation
+
+func drawPepero(stickLenth: Int, bodyDecoration: String, topping: String = "", bodyLenth: Int) {
+    setPeperoBody(bodyLenth: bodyLenth, bodyDecoration: bodyDecoration, topping: topping)
+    drawPeperoStick(stickLength: stickLenth)
+}
+
+func drawPeperoStick(stickLength: Int) {
+    for _ in 1...stickLength{
+        print(" | |")
+    }
+}
+
+func drawPeperoBodyAndToppings(bodyDecoration: String, topping: String) {
+    print(topping, bodyDecoration, topping, separator: "")
+}
+
+func setPeperoBody(bodyLenth: Int, bodyDecoration: String, topping: String) {
+    for _ in 1...bodyLenth {
+        drawPeperoBodyAndToppings(bodyDecoration: bodyDecoration, topping: topping)
+    }
+}
+
diff --git a/ss_20_sy_week1-step3_flow_chart.png b/ss_20_sy_week1-step3_flow_chart.png
new file mode 100644
index 00000000..08a5a2be
Binary files /dev/null and b/ss_20_sy_week1-step3_flow_chart.png differ