--- /dev/null
+(in-package #:adventofcode2020)
+
+(day 00 input
+ (let ((modules (int-list-from input)))
+ (part1 )
+ (part2 )))
+
+(def-suite day00)
+(in-suite day00)
+
+(test simple-fuel
+ (is (equal
+ '(2 2 654 33583)
+ (mapcar #'simple-fuel '(12 14 1969 100756)))))
+
+(run! 'day00)