0 REM CHRISTMAS CHALLENGE 2021 BY N.L.
1 X$="*******************************"
2 READ A:IF A=0 THEN END
3 PRINT SPC(20-A+INT(A/2));LEFT$(X$,A)
4 GOTO2
5 DATA1,3,5,7,3,7,11,15,5,11,17,23,3,3
6 DATA0