diff --git "a/leetcode3/\353\202\250\355\232\250\354\240\225/476. Number Complement.py" "b/leetcode3/\353\202\250\355\232\250\354\240\225/476. Number Complement.py"
new file mode 100644
index 00000000..167e4534
--- /dev/null
+++ "b/leetcode3/\353\202\250\355\232\250\354\240\225/476. Number Complement.py"	
@@ -0,0 +1,17 @@
+class Solution:
+    def findComplement(self, num: int) -> int:
+        cnt = 0
+
+        # 2진수 최대 - 1 - num 으로 답을 구할 수 있음
+        # 예) num = 14라면 2^4 - 1 - 14 = 1이 답임
+        # 예) num = 24라면 2^5 - 1 - 24 = 7이 답임
+        def makeBinary(num: int):
+            nonlocal cnt
+            cnt += 1
+            if num // 2 == 0:
+                return 
+            makeBinary(num // 2)
+
+        makeBinary(num)
+        return 2 ** cnt - num - 1 
+        
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