how to run server mode?

from pc1 i run ./kangaroo -w save.work -wi 300 -o result.txt -s -d 36 in.txt

and pc2:
Kangaroo.exe -w kang.work -wi 300 -c 35.221.30.146
Kangaroo v2.2
Number of CPU thread: 4
Cannot connect to server: 35.221.30.146
Cannot connect to host: Connection timed out