10  DEF  FN M(N) = ((A / N) -  INT (A / N)) * N
20  FOR A = 1 TO 100
30  LET O$ = ""
40  IF  FN M(3) = 0 THEN O$ = "FIZZ"
50  IF  FN M(5) = 0 THEN O$ = O$ + "BUZZ"
60  IF O$ = "" THEN O$ =  STR$ (A)
70  PRINT O$
80  NEXT A