Number P2P , RPC-port ?
You'll see it as default in the command line options: mainnet P2P port 38080, RPC port 38081
./masarid --rpc-bind-ip=0.0.0.0 --rpc-bind-port=38081 --seed-node 91.204.109.187:51314 --seed-node 34.234.145.76:38080
2017-10-11 06:15:19.293 7ff23cc1b780 ERROR daemon src/daemon/main.cpp:287Exception in main! Failed to initialize core rpc server.
Port 38080 same.