diff --git a/zeta_python/completed/18110.py b/zeta_python/completed/18110.py
new file mode 100644
index 0000000..d6db9f4
--- /dev/null
+++ b/zeta_python/completed/18110.py
@@ -0,0 +1,18 @@
+import sys
+from collections import deque
+
+input = sys.stdin.readline
+
+round = lambda x: int(x) + 1 if x - int(x) >= 0.5 else int(x)
+
+if __name__ == "__main__":
+    N = int(input())
+    A = [int(input()) for _ in range(N)] if N != 0 else [0]
+    A.sort()
+    A = deque(A)
+    pcs = round(N * 0.15)
+    for _ in range(pcs):
+        A.popleft()
+        A.pop()
+
+    print(round(sum(A) / len(A)))