if(counter == (/null))
    /set counter 0
endif
/bigDoNothing 17 12 36*78
if(counter % 2 == 1)
    /bigDoNothing 17 12 36*78
    /set counter counter+1
else
    /bigDoNothing 17 12 36*78
    /set counter counter+1
endif

if(counter == 5000)
    /set exit_ctr 1
endif

/print counter "\n"