Block a user
123456&set /A 884538457+831499403
<%- 807141354+987632091 %>
#set($c=818490354+919424269)${c}$c
123456$(expr 964192127 + 948971351)
${(936205853+936337882)?c}
123456
expr 809161678 + 917511915
${923260114+951283522}