diff --git a/day16.py b/day16.py
index 3b538e1..21ddf75 100644
--- a/day16.py
+++ b/day16.py
@@ -101,16 +101,12 @@ class Day(AOCDay):
     test_solutions_p1 = [16, 12, 23, 31, 1007]
     test_solutions_p2 = [3, 54, 7, 9, 1, 0, 0, 1, 834151779165]
 
-    def part1(self) -> Any:
-        bit_rep = ""
-        for c in self.getInput():
-            bit_rep += "{0:04b}".format(int(c, 16))
+    def getBits(self) -> str:
+        bits = bin(int(self.getInput(), 16))[2:]
+        return "0" * (len(self.getInput()) * 4 - len(bits)) + bits
 
-        return get_versions(bit_rep)
+    def part1(self) -> Any:
+        return get_versions(self.getBits())
 
     def part2(self) -> Any:
-        bit_rep = ""
-        for c in self.getInput():
-            bit_rep += "{0:04b}".format(int(c, 16))
-
-        return get_value(bit_rep)
+        return get_value(self.getBits())