FUNCTION f(n)
   IF n=1 THEN
      LET f=2
   ElSEIF n=2 THEN
      LET f=3
   ELSE
      LET f=f(n-1)+f(n-2)
   END IF
END FUNCTION

FOR k=1 TO 10
   PRINT USING "##":k;
   PRINT ": ";
   PRINT USING "###":f(k)
NEXT k
PRINT
END