! Copyright (c) 2007 Samuel Tardieu.
! See http://factorcode.org/license.txt for BSD license.
-USING: kernel math math.functions math.ranges sequences project-euler.common ;
+USING: kernel math math.functions ranges sequences project-euler.common ;
IN: project-euler.173
! http://projecteuler.net/index.php?section=problems&id=173