diff --git a/190613/sony/boj_10989.py b/190613/sony/boj_10989.py
new file mode 100644
index 0000000..057b00e
--- /dev/null
+++ b/190613/sony/boj_10989.py
@@ -0,0 +1,17 @@
+import sys
+
+n = int(sys.stdin.readline())
+
+
+def countingSort(n):
+    count_list = [0] * (10001) # 주어지는 수의 크기 범위만큼 리스트 길이를 만든다.
+    for _ in range(n):
+        a = int(sys.stdin.readline())
+        count_list[a] += 1
+
+    for j in range(len(count_list)):
+        if count_list[j] != 0:
+            for _ in range(count_list[j]):
+                print(j)
+
+countingSort(n)