diff --git a/medium/find_valid_matrix_given_row_and_column_sums.py b/medium/find_valid_matrix_given_row_and_column_sums.py
new file mode 100644
index 0000000..0fadd45
--- /dev/null
+++ b/medium/find_valid_matrix_given_row_and_column_sums.py
@@ -0,0 +1,17 @@
+# https://leetcode.com/problems/find-valid-matrix-given-row-and-column-sums
+from typing import List
+
+class Solution:
+    def restoreMatrix(self, rowSum: List[int], colSum: List[int]) -> List[List[int]]:
+        ret: List[List[int]] = []
+        i = 0
+        while i < len(rowSum):
+            ret.append([])
+            j = 0
+            while j < len(colSum):
+                ret[i].append(min(rowSum[i], colSum[j]))
+                rowSum[i] -= ret[i][j]
+                colSum[j] -= ret[i][j]
+                j += 1
+            i += 1
+        return ret