1 files changed, 33 insertions, 0 deletions
diff --git a/challenge-123/abigail/python/ch-1.py b/challenge-123/abigail/python/ch-1.py
new file mode 100644
index 0000000000..039d236609
--- /dev/null
+++ b/challenge-123/abigail/python/ch-1.py
@@ -0,0 +1,33 @@
+#!/opt/local/bin/python
+
+#
+# See ../README.md
+#
+
+#
+# Run as: python ch-1.py < input-file
+#
+
+import fileinput
+
+ugly   = [1]
+next_2 =  0
+next_3 =  0
+next_5 =  0
+
+
+for n in fileinput . input ():
+    n = int (n)
+    while len (ugly) < n:
+        ugly . append (min ([2 * ugly [next_2],
+                             3 * ugly [next_3],
+                             5 * ugly [next_5]]))
+
+        if 2 * ugly [next_2] <= ugly [-1]:
+            next_2 = next_2 + 1
+        if 3 * ugly [next_3] <= ugly [-1]:
+            next_3 = next_3 + 1
+        if 5 * ugly [next_5] <= ugly [-1]:
+            next_5 = next_5 + 1
+
+    print (ugly [n - 1])