diff --git a/YooGyeongMo/README.md b/YooGyeongMo/README.md
index fae52c7..3765092 100644
--- a/YooGyeongMo/README.md
+++ b/YooGyeongMo/README.md
@@ -4,4 +4,5 @@
 |:----:|:---------:|:----:|:-----:|:----:|
 | 1차시 | 2025.03.30 |  구현  | [유연 근무제](https://school.programmers.co.kr/learn/courses/30/lessons/388351?language=swift)|https://github.com/AlgoLeadMe/AlgoLeadMe-14/pull/5|
 | 2차시 | 2025.04.10 |  DP  | [파이프 옮기기 1](https://www.acmicpc.net/problem/17070)|https://github.com/AlgoLeadMe/AlgoLeadMe-14/pull/9|
+| 3차시 | 2025.05.01 |  구현  | [ 색종이 ](https://www.acmicpc.net/problem/2563)|https://github.com/AlgoLeadMe/AlgoLeadMe-14/pull/18|
 ---
diff --git "a/YooGyeongMo/\352\265\254\355\230\204/\354\203\211\354\242\205\354\235\264.swift" "b/YooGyeongMo/\352\265\254\355\230\204/\354\203\211\354\242\205\354\235\264.swift"
new file mode 100644
index 0000000..ccee232
--- /dev/null
+++ "b/YooGyeongMo/\352\265\254\355\230\204/\354\203\211\354\242\205\354\235\264.swift"
@@ -0,0 +1,30 @@
+import Foundation
+
+var paper = Array(repeating: Array(repeating: 0, count: 100), count: 100)
+
+let T = Int(readLine()!)!  // 색종이 개수
+var result = 0
+
+for _ in 0..<T {
+    let input = readLine()!.split(separator:" ").map{ Int($0)! }
+    let x = input[0]
+    let y = input[1]
+    
+    // 색종이 한 장은 10X10크기
+    for i in x..<x+10 {
+        for j in y..<y+10 {
+            paper[i][j] = 1
+        }
+    }
+}
+
+// 반복문은 색종이 입력 끝나고 난 뒤에 한 번만 돌려야 함
+for i in 0..<100 {
+    for j in 0..<100 {
+        if paper[i][j] == 1 {
+            result += 1
+        }
+    }
+}
+
+print(result)