diff --git a/Project Euler/Problem 01/sol5.py b/Project Euler/Problem 01/sol5.py
index 2cb67d2524e2..3a6d3089db15 100644
--- a/Project Euler/Problem 01/sol5.py	
+++ b/Project Euler/Problem 01/sol5.py	
@@ -1,8 +1,7 @@
-a=3
-result=0
-while a=<1000:
-  if(a%3==0 and a%5==0):
-    result+=a
-  elif(a%15==0):
-    result-=a
-print(result)
+#!/usr/bin/env python3
+
+"""Find the sum of all the multiples of 3 or 5 below 1000."""
+
+# https://projecteuler.net/problem=1
+
+print(sum(i if 0 in (i % 3, i % 5) else 0 for i in range(1000)))