diff --git a/AMjcSK/Ul9oRr.py b/AMjcSK/Ul9oRr.py
new file mode 100644
index 0000000..ecf2576
--- /dev/null
+++ b/AMjcSK/Ul9oRr.py
@@ -0,0 +1,29 @@
+def LongestSubarrayWithSumDivisibleByK(nums, k):
+
+    prefix_sum = 0
+    remainder_index_map = {}
+    max_length = 0
+
+    for i, num in enumerate(nums):
+        prefix_sum += num
+        remainder = prefix_sum % k
+
+        if remainder < 0:
+            remainder += k
+
+        if remainder == 0:
+            max_length = i + 1
+        elif remainder in remainder_index_map:
+            max_length = max(max_length, i - remainder_index_map[remainder])
+
+        if remainder not in remainder_index_map:
+            remainder_index_map[remainder] = i
+
+    return max_length
+
+nums = list(map(int, input("Enter a list of integers separated by spaces: ").split()))
+
+k = int(input("Enter the value of k: "))
+
+result = LongestSubarrayWithSumDivisibleByK(nums, k)
+print("The longest subarray with sum divisible by K is of length:", result)