diff --git a/zeta_python/completed/15829.py b/zeta_python/completed/15829.py
new file mode 100644
index 0000000..8cded91
--- /dev/null
+++ b/zeta_python/completed/15829.py
@@ -0,0 +1,13 @@
+if __name__ == "__main__":
+    N = int(input())
+    M = 1234567891
+    r = 31
+    print(
+        sum(
+            [
+                (a * r**i) % M
+                for i, a in enumerate(map(lambda x: ord(x) - ord("a") + 1, input()))
+            ]
+        )
+        % M
+    )