10 IF STICK(0)<>14 THEN 20
15 PRINT "PIN 1"
20 IF STICK(0)<>13 THEN 30
25 PRINT "PIN 2"
30 IF STICK(0)<>11 THEN 40
35 PRINT "PIN 3"
40 IF STICK(0)<>7 THEN 50
45 PRINT "PIN 4"
50 IF STRIG(0)<>O THEN 60
55 PRINT "PIN 6"
60 GOTO 10