VEID=102
vzquota init $VEID -p /vz/private/$VEID -b 52428800 -B 52428800 -i 13844753 -I 13844753 -e 0 -n 0

Or use this command:

VPS1 - vzctl set $VEID --diskspace 52428800:52428800 --diskinodes 13844753:13844753 --save
VPS2 - vzctl set $VEID --diskspace 104857600:104857600 --diskinodes 27689506:27689506 --save