#B3843. Password Validator
Password Validator
Password Validator
Design a program to verify the validity of a user password during website registration. A valid password should meet the following criteria:
- It can only consist of 26 lowercase letters ($a \sim z$), 26 uppercase letters ($A \sim Z$), 10 digits ($0 \sim 9$) and 4 special characters:
!@#$
. - The length of the password must be at least 6 characters and at most 12 characters.
- The password must include at least two types among uppercase letters, lowercase letters, and digits, and it must contain at least one of the special characters.
inputFormat
The input consists of a single line containing the password string.
outputFormat
Output Valid
if the password meets all the conditions; otherwise, output Invalid
.
sample
aA1!a!
Valid