What is default permission of /etc/passwd , /etc/shadow files

bash-3.00$ ls -l /etc/passwd
-rw-r--r-- 1 root sys 8243 Mar 15
05:18 /etc/passwd
bash-3.00$

bash-3.00$ ls -l /etc/shadow
-r-------- 1 root sys 3030 Mar 15
23:05 /etc/shadow
bash-3.00$