diff --git a/day1.cr b/day1.cr
index 6373b06..731691c 100644
--- a/day1.cr
+++ b/day1.cr
@@ -1,4 +1,5 @@
-INPUT = File.read("day1.txt").lines.map(&.chomp.to_i32) 
+require "advent"
+INPUT = input(2020, 1).lines.map(&.chomp.to_i32) 
 
 def part1
   input = INPUT.clone.sort!
diff --git a/day2.cr b/day2.cr
index f411574..c03b2c5 100644
--- a/day2.cr
+++ b/day2.cr
@@ -1,4 +1,5 @@
-INPUT = File.read("day2.txt").lines.map(&.chomp) 
+require "advent"
+INPUT = input(2020, 2).lines.map(&.chomp) 
 
 def parse(line)
     data = line.match(/([0-9]+)-([0-9]+) ([a-z]): ([a-z]+)/) 
diff --git a/day3.cr b/day3.cr
index f1c6fa2..f1e5cf4 100644
--- a/day3.cr
+++ b/day3.cr
@@ -1,4 +1,5 @@
-INPUT = File.read("day3.txt").lines.map(&.chomp) 
+require "advent"
+INPUT = input(2020, 3).lines.map(&.chomp) 
 
 def run(input, slopes)
   prod = 1_i64
diff --git a/day4.cr b/day4.cr
index 626920e..2ceb401 100644
--- a/day4.cr
+++ b/day4.cr
@@ -1,5 +1,6 @@
 require "./passports.cr"
-INPUT = File.read("day4.txt")
+require "advent"
+INPUT = input(2020, 4)
 
 def part1
   input = INPUT.clone
diff --git a/day5.cr b/day5.cr
index 9e91049..9044c2c 100644
--- a/day5.cr
+++ b/day5.cr
@@ -1,4 +1,5 @@
-INPUT = File.read("day5.txt").lines.map(&.chomp) 
+require "advent"
+INPUT = input(2020, 5).lines.map(&.chomp) 
 
 def partition(choices, list)
   b = 0
diff --git a/day5g.cr b/day5g.cr
new file mode 100644
index 0000000..85731f5
--- /dev/null
+++ b/day5g.cr
@@ -0,0 +1,2 @@
+i=File.read_lines("day5.txt").map &.tr("FBLR", "0101").to_i32(2);
+puts({i.max,(i.min..i.max).select{|n|!i.includes? n}})
diff --git a/template.cr b/template.cr
index 0dd8481..3f209c6 100644
--- a/template.cr
+++ b/template.cr
@@ -1,4 +1,5 @@
-INPUT = File.read("dayN.txt")#.lines.map(&.chomp) 
+require "advent"
+INPUT = input(2020, n)#.lines.map(&.chomp) 
 
 def part1
   input = INPUT.clone