diff --git a/python/alg_11660.py b/python/alg_11660.py
new file mode 100644
index 0000000..961bae1
--- /dev/null
+++ b/python/alg_11660.py
@@ -0,0 +1,33 @@
+import sys
+
+input = sys.stdin.readline
+
+
+def solution(n, m, data, ranges):
+    dp = [[0] * (n+1) for _ in range(n+1)]
+
+    for i in range(1, n+1):
+        for j in range(1, n+1):
+            dp[i][j] = dp[i-1][j] + dp[i][j-1] - dp[i-1][j-1] + data[i-1][j-1]
+
+    answer = []
+    for e in ranges:
+        x1, y1, x2, y2 = e
+        answer.append(dp[x2][y2] - dp[x2][y1-1] - dp[x1-1][y2] + dp[x1-1][y1-1])
+
+    return answer
+
+
+def display_result(answer):
+    [print(e) for e in answer]
+
+
+def main():
+    n, m = map(int, input().split())
+    data = [list(map(int, input().split())) for _ in range(n)]
+    ranges = [list(map(int, input().split())) for _ in range(m)]
+    answer = solution(n, m, data, ranges)
+    display_result(answer)
+
+
+main()
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