| 1
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| 2
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| 3
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| 4 Y1=0
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| 10 M1=0
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| 20 DIM M(20),Y(20)
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| 30 PRINT " THIS IS A TWO PERSON GAME CALLED 'EVEN WINS.'"
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| 40 PRINT "TO PLAY THE GAME, THE PLAYERS NEED 27 MARBLES OR"
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| 50 PRINT "OTHER OBJECTS ON A TABLE."
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| 60 PRINT
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| 70 PRINT
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| 80 PRINT " THE 2 PLAYERS ALTERNATE TURNS, WITH EACH PLAYER"
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| 90 PRINT "REMOVING FROM 1 TO 4 MARBLES ON EACH MOVE. THE GAME"
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| 100 PRINT "ENDS WHEN THERE ARE NO MARBLES LEFT, AND THE WINNER"
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| 110 PRINT "IS THE ONE WITH AN EVEN NUMBER OF MARBLES."
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| 120 PRINT
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| 130 PRINT
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| 140 PRINT " THE ONLY RULES ARE THAT (1) YOU MUST ALTERNATE TURNS,"
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| 150 PRINT "(2) YOU MUST TAKE BETWEEN 1 AND 4 MARBLES EACH TURN,"
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| 160 PRINT "AND (3) YOU CANNOT SKIP A TURN."
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| 170 PRINT
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| 180 PRINT
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| 190 PRINT
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| 200 PRINT " TYPE A '1' IF YOU WANT TO GO FIRST, AND TYPE"
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| 210 PRINT "A '0' IF YOU WANT ME TO GO FIRST."
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| 220 INPUT C
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| 225 PRINT
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| 230 IF C=0 THEN 250
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| 240 GOTO 1060
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| 250 T=27
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| 260 M=2
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| 270 PRINT:PRINT "TOTAL=";T:PRINT
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| 280 M1=M1+M
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| 290 T=T-M
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| 300 PRINT "I PICK UP",M,"MARBLES."
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| 310 IF T=0 THEN 880
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| 320 PRINT:PRINT "TOTAL=";T
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| 330 PRINT
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| 340 PRINT " AND WHAT IS YOUR NEXT MOVE, MY TOTAL IS",M1
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| 350 INPUT Y
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| 360 PRINT
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| 370 IF Y<1 THEN 1160
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| 380 IF Y>4 THEN 1160
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| 390 IF Y<=T THEN 430
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| 400 PRINT " YOU HAVE TRIED TO TAKE MORE MARBLES THAN THERE ARE"
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| 410 PRINT "LEFT. TRY AGAIN."
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| 420 GOTO 350
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| 430 Y1=Y1+Y
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| 440 T=T-Y
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| 450 IF T=0 THEN 880
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| 460 PRINT "TOTAL=";T
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| 470 PRINT
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| 480 PRINT "YOUR TOTAL IS",Y1
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| 490 IF T<.5 THEN 880
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| 500 R=T-6*INT(T/6)
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| 510 IF INT(Y1/2)=Y1/2 THEN 700
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| 520 IF T<4.2 THEN 580
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| 530 IF R>3.4 THEN 620
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| 540 M=R+1
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| 550 M1=M1+M
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| 560 T=T-M
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| 570 GOTO 300
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| 580 M=T
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| 590 T=T-M
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| 600 GOTO 830
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| 610
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| 620 IF R<4.7 THEN 660
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| 630 IF R>3.5 THEN 660
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| 640 M=1
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| 650 GOTO 670
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| 660 M=4
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| 670 T=T-M
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| 680 M1=M1+M
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| 690 GOTO 300
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| 700
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| 710 IF R<1.5 THEN 1020
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| 720 IF R>5.3 THEN 1020
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| 730 M=R-1
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| 740 M1=M1+M
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| 750 T=T-M
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| 760 IF T<.2 THEN 790
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| 770
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| 780 GOTO 300
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| 790
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| 800 PRINT "I PICK UP",M,"MARBLES."
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| 810 PRINT
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| 820 GOTO 880
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| 830
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| 840 PRINT "I PICK UP",M,"MARBLES."
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| 850 PRINT
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| 860 PRINT "TOTAL = 0"
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| 870 M1=M1+M
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| 880 PRINT "THAT IS ALL OF THE MARBLES."
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| 890 PRINT
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| 900 PRINT " MY TOTAL IS",M1,", YOUR TOTAL IS",Y1
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| 910 PRINT
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| 920 IF INT(M1/2)=M1/2 THEN 950
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| 930 PRINT " YOU WON. DO YOU WANT TO PLAY"
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| 940 GOTO 960
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| 950 PRINT " I WON. DO YOU WANT TO PLAY"
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| 960 PRINT "AGAIN? TYPE 1 FOR YES AND 0 FOR NO."
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| 970 INPUT A1
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| 980 IF A1=0 THEN 1030
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| 990 M1=0
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| 1000 Y1=0
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| 1010 GOTO 200
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| 1020 GOTO 640
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| 1030 PRINT
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| 1040 PRINT "OK. SEE YOU LATER."
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| 1050 GOTO 1230
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| 1060 T=27
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| 1070 PRINT
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| 1080 PRINT
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| 1090 PRINT
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| 1100 PRINT "TOTAL=";T
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| 1110 PRINT
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| 1120 PRINT
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| 1130 PRINT "WHAT IS YOUR FIRST MOVE";
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| 1140 INPUT Y
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| 1150 GOTO 360
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| 1160 PRINT
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| 1170 PRINT "THE NUMBER OF MARBLES YOU TAKE MUST BE A POSITIVE"
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| 1180 PRINT "INTEGER BETWEEN 1 AND 4."
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| 1190 PRINT
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| 1200 PRINT " WHAT IS YOUR NEXT MOVE?"
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| 1210 PRINT
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| 1220 GOTO 350
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| 1230 END
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