diff --git "a/jaeyeon/\355\222\215\354\204\240 \355\204\260\355\212\270\353\246\254\352\270\260.py" "b/jaeyeon/\355\222\215\354\204\240 \355\204\260\355\212\270\353\246\254\352\270\260.py"
new file mode 100644
index 0000000..2c54940
--- /dev/null
+++ "b/jaeyeon/\355\222\215\354\204\240 \355\204\260\355\212\270\353\246\254\352\270\260.py"	
@@ -0,0 +1,21 @@
+def solution(a):
+    n = len(a)
+    # 왼쪽값 중 최소값 저장
+    left_min = [2e9 for _ in range(n)]
+    left_min[0] = a[0]
+    for idx in range(1, n):
+        left_min[idx] = min(a[idx], left_min[idx - 1])
+
+    # 오른쪽값 중 최소값 저장
+    right_min = [2e9 for _ in range(n)]
+    right_min[n - 1] = a[n - 1]
+    for idx in range(n - 2, -1, -1):
+        right_min[idx] = min(a[idx], right_min[idx + 1])
+
+    no_cnt = 0
+    for idx in range(n):
+        # 양쪽 최소값보다 크면 살아남을 수 없음
+        if a[idx] > left_min[idx] and a[idx] > right_min[idx]:
+            no_cnt += 1
+
+    return n - no_cnt