diff --git a/day19/part1.py b/day19/part1.py
index 7071483..a0d297c 100644
--- a/day19/part1.py
+++ b/day19/part1.py
@@ -2,7 +2,7 @@
 
 lines = (x.strip() for x in open("input.txt"))
 rules = {}
-sum = 0
+cnt = 0
 
 
 def yield_rule(line, rule):
@@ -30,7 +30,5 @@ for line in lines:
         r = r[1:len(r)-1] if r.startswith('"') else [list(map(int, x.split())) for x in r.split(" | ")]
         rules[idx] = r
     elif line != "":
-        for rest in check(line, 0):
-            if rest == "":
-                sum += 1
-print(sum)
+        cnt += 1 if next(check(line, 0), None) == "" else 0
+print(cnt)
diff --git a/day19/part2.py b/day19/part2.py
index 12a9308..e1d6e1a 100644
--- a/day19/part2.py
+++ b/day19/part2.py
@@ -2,7 +2,7 @@
 
 lines = (x.strip() for x in open("input.txt"))
 rules = {}
-sum = 0
+cnt = 0
 
 
 def yield_rule(line, rule, depth):
@@ -34,7 +34,5 @@ for line in lines:
         r = r[1:len(r)-1] if r.startswith('"') else [list(map(int, x.split())) for x in r.split(" | ")]
         rules[idx] = r
     elif line != "":
-        for rest in check(line, 0, len(line)):
-            if rest == "":
-                sum += 1
-print(sum)
+        cnt += 1 if next(check(line, 0, len(line)), None) == "" else 0
+print(cnt)