Login password for SUSE image

Hi All,

I want to install SLES15-SP4-Minimal-VM.x86_64-OpenStack-Cloud-GM.qcow2 from the website Evaluation Copy of SUSE Linux Enterprise Server | SUSE , once the it is installed ,
the prompt is looking like this .

Welcome to SUSE Linux Enterprise Server 12 SP5 (x86_64) - Kernel 4.12.14-120-default (ttyS0).

linux login:

what is the login name and password I should give here ? . nowhere it is mentioned it here.
please help me .