diff --git "a/leetcode3/\354\265\234\354\233\220\354\244\200/3471. Find the Largest Almost Missing Integer.py" "b/leetcode3/\354\265\234\354\233\220\354\244\200/3471. Find the Largest Almost Missing Integer.py"
new file mode 100644
index 00000000..0e9cb452
--- /dev/null
+++ "b/leetcode3/\354\265\234\354\233\220\354\244\200/3471. Find the Largest Almost Missing Integer.py"	
@@ -0,0 +1,29 @@
+from collections import Counter
+
+class Solution:
+    def largestInteger(self, nums: List[int], k: int) -> int:
+        n = len(nums)
+        counter = Counter(nums)
+
+        if k == n:
+            return max(nums)
+
+        if k == 1:
+            ans = -1
+
+            for num in nums:
+                if counter[num] == 1:
+                    ans = max(ans, num)
+
+            return ans
+
+        # 1 < k < n
+        ans = -1
+
+        if counter[nums[0]] == 1:
+            ans = max(ans, nums[0])
+
+        if counter[nums[-1]] == 1:
+            ans = max(ans, nums[-1])
+
+        return ans