10 CLS 20 COLOR 15 30 LOCATE 2,13:PRINT"1" 40 LOCATE 3,13:PRINT"10" 50 LOCATE 4,13:PRINT"100" 60 LOCATE 5,13:PRINT"1000" 70 LOCATE 6,1:COLOR 10:PRINT"12345";:COLOR 14:PRINT"678";:COLOR 12:PRINT"9" 80 A=0 90 A=A+1 100 LOCATE 1,1 110 COLOR 15 120 PRINT USING "#";I;H;G;F;E;D;C;B;A 130 IF A=0 THEN LOCATE 2,1:COLOR 10:PRINT" " 140 IF A=1 THEN LOCATE 2,1:COLOR 10:PRINT"1 " 150 IF A=2 THEN LOCATE 2,1:COLOR 10:PRINT" 2 " 160 IF A=3 THEN LOCATE 2,1:COLOR 10:PRINT" 3 " 170 IF A=4 THEN LOCATE 2,1:COLOR 10:PRINT" 4 " 180 IF A=5 THEN LOCATE 2,1:COLOR 10:PRINT" 5 " 190 IF A=6 THEN LOCATE 2,1:COLOR 14:PRINT" 6 " 200 IF A=7 THEN LOCATE 2,1:COLOR 14:PRINT" 7 " 210 IF A=8 THEN LOCATE 2,1:COLOR 14:PRINT" 8 " 220 IF A=9 THEN LOCATE 2,1:COLOR 12:PRINT" 9" 230 IF B=0 THEN LOCATE 3,1:COLOR 10:PRINT"ÿÿÿÿÿÿÿÿÿ" 240 IF B=1 THEN LOCATE 3,1:COLOR 10:PRINT"1 " 250 IF B=2 THEN LOCATE 3,1:COLOR 10:PRINT" 2 " 260 IF B=3 THEN LOCATE 3,1:COLOR 10:PRINT" 3 " 270 IF B=4 THEN LOCATE 3,1:COLOR 10:PRINT" 4 " 280 IF B=5 THEN LOCATE 3,1:COLOR 10:PRINT" 5 " 290 IF B=6 THEN LOCATE 3,1:COLOR 14:PRINT" 6 " 300 IF B=7 THEN LOCATE 3,1:COLOR 14:PRINT" 7 " 310 IF B=8 THEN LOCATE 3,1:COLOR 14:PRINT" 8 " 320 IF B=9 THEN LOCATE 3,1:COLOR 12:PRINT" 9" 330 IF C=0 THEN LOCATE 4,1:COLOR 10:PRINT"ÿÿÿÿÿÿÿÿ " 340 IF C=1 THEN LOCATE 4,1:COLOR 10:PRINT"1 " 350 IF C=2 THEN LOCATE 4,1:COLOR 10:PRINT" 2 " 360 IF C=3 THEN LOCATE 4,1:COLOR 10:PRINT" 3 " 370 IF C=4 THEN LOCATE 4,1:COLOR 10:PRINT" 4 " 380 IF C=5 THEN LOCATE 4,1:COLOR 10:PRINT" 5 " 390 IF C=6 THEN LOCATE 4,1:COLOR 14:PRINT" 6 " 400 IF C=7 THEN LOCATE 4,1:COLOR 14:PRINT" 7 " 410 IF C=8 THEN LOCATE 4,1:COLOR 14:PRINT" 8 " 420 IF C=9 THEN LOCATE 4,1:COLOR 12:PRINT" 9" 430 IF D=0 THEN LOCATE 5,1:COLOR 10:PRINT"ÿÿÿÿÿÿÿÿÿ" 440 IF D=1 THEN LOCATE 5,1:COLOR 10:PRINT"1 " 450 IF D=2 THEN LOCATE 5,1:COLOR 10:PRINT" 2 " 460 IF D=3 THEN LOCATE 5,1:COLOR 10:PRINT" 3 " 470 IF D=4 THEN LOCATE 5,1:COLOR 10:PRINT" 4 " 480 IF D=5 THEN LOCATE 5,1:COLOR 10:PRINT" 5 " 490 IF D=6 THEN LOCATE 5,1:COLOR 14:PRINT" 6 " 500 IF D=7 THEN LOCATE 5,1:COLOR 14:PRINT" 7 " 510 IF D=8 THEN LOCATE 5,1:COLOR 14:PRINT" 8 " 520 IF D=9 THEN LOCATE 5,1:COLOR 12:PRINT" 9" 530 IF I=9 THEN I=0:PRINT" OVERFLOW" 540 IF H=9 THEN H=0:I=I+1 550 IF G=9 THEN G=0:H=H+1 560 IF F=9 THEN F=0:G=G+1 570 IF E=9 AND D=9 AND C=9 AND B=9 AND A=9 THEN E=-1:F=F+1 580 IF D=9 AND C=9 AND B=9 AND A=9 THEN D=-1:E=E+1 590 IF C=9 AND B=9 AND A=9 THEN C=-1:D=D+1 600 IF B=9 AND A=9 THEN B=-1:C=C+1 610 IF A=9 THEN A=-1:B=B+1 620 GOTO 90