The below information will help you to configure the IP address in the mikrotik interfaces .
[admin@MikroTik] ip address> add address=192.16.1.1/24 interface=ether6
[admin@MikroTik] ip address> print
Flags: X - disabled, I - invalid, D - dynamic
# ADDRESS NETWORK BROADCAST INTERFACE
0 10.5.7.244/24 10.5.7.0 10.5.7.255 ether1
1 192.16.1.1/24 192.16.1.0 192.16.1.255 ether6
[admin@MikroTik] ip address>
Please find the details below of my images so it would be easier for you to configure the ip address
in GUI and CMD as well.