make rules with address-list mikrotik

:foreach i in=[/ip firewall address-list find list=350 ] do={
:local addrlist350 [/ip firewall address-list get $i address ]
:log warning $addrlist350
/ip fire mangle add chain=postrouting dst-address=$addrlist350 connection-mark=ggc_conn action=mark-packet new-packet-mark="ggc_$user" comment=$user
}