Need help with 2 WANs & 2 LANs

I have 2 ADSL line and I would like to have two LAN out

1st Line
Wan1 = 192.168.1.1
Lan1 = 10.5.50.1
2nd line
Wan2 = 192.168.2.1
Lan2 = 10.5.51.1
need the sating for Mikrotik hotspot server???
the user in the server
user1, user2, user3 works in LAN1 and user4, user5, user6 works in LAN2
mikrotik2.JPG

Use mangle to mark the packets from the different subnets with different marks, then add default routes for them based on their marks.