diff --git a/04-2-1.py b/04-2-1.py
index a253549..ee29095 100644
--- a/04-2-1.py
+++ b/04-2-1.py
@@ -1,2 +1,2 @@
-u=lambda x:7==sum(map(lambda y:{'byr':lambda x:1920<=int(x)<=2002,'iyr':lambda x:2010<=int(x)<=2020,'eyr':lambda x:2020<=int(x)<=2030,'hgt':lambda x:(x[-2:]=='cm' and 150<=int(x[:-2])<=193)or(x[-2:]=='in' and 59<=int(x[:-2])<=76),'hcl':lambda x:x[0]=='#' and len(x)==7 and int(x[1:],16)>=0,'ecl':lambda x:x in ['amb','blu','brn','gry','grn','hzl','oth'],'pid':lambda x:len(x)==9 and int(x)>=0,'cid':lambda x:False,'':lambda x:False}[y[:3]](y[4:]),x))
+u=lambda x:7==sum(map(lambda y:len(y)>4 and{'byr':lambda x:1920<=int(x)<=2002,'iyr':lambda x:2010<=int(x)<=2020,'eyr':lambda x:2020<=int(x)<=2030,'hgt':lambda x:(x[-2:]=='cm' and 150<=int(x[:-2])<=193)or(x[-2:]=='in' and 59<=int(x[:-2])<=76),'hcl':lambda x:x[0]=='#' and len(x)==7 and int(x[1:],16)>=0,'ecl':lambda x:x in ['amb','blu','brn','gry','grn','hzl','oth'],'pid':lambda x:len(x)==9 and int(x)>=0,'cid':lambda x:False}[y[:3]](y[4:]),x))
 print(sum(map(lambda x:u(x.replace('\n',' ').split(' ')),open("/dev/stdin").read().split("\n\n"))))