10 HEAP = 12
20 WHILE HEAP>0
30 TAKE = 0
40 PRINT "There are ";HEAP;" tokens left."
50 WHILE TAKE < 1 OR TAKE > 3 OR TAKE > HEAP
60 INPUT "How many would you like to take? ", TAKE
70 IF TAKE = HEAP THEN GOTO 140
80 WEND
90 PRINT "I will take ";4-TAKE;" tokens."
100 HEAP = HEAP - 4
110 WEND
120 PRINT "I got the last token. Better luck next time."
130 END
140 PRINT "You got the last token. Congratulations!"
150 END