<snapdata remixID="14886027"><project name="UPC checker" app="Snap! 11.0.8, https://snap.berkeley.edu" version="2"><notes></notes><thumbnail>data:image/png;base64,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select="1"><scene name="UPC checker"><notes></notes><hidden></hidden><headers></headers><code></code><blocks></blocks><primitives></primitives><stage name="Stage" width="480" height="360" costume="0" color="255,255,255,1" tempo="60" threadsafe="false" penlog="false" volume="100" pan="0" lines="round" ternary="false" hyperops="true" codify="false" inheritance="true" sublistIDs="false" 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struct="atomic" id="7"></list></costumes><sounds><list struct="atomic" id="8"></list></sounds><variables></variables><blocks></blocks><scripts></scripts><sprites select="1"><sprite name="Sprite" idx="1" x="0" y="0" heading="90" scale="1" volume="100" pan="0" rotation="1" draggable="true" costume="0" color="80,80,80,1" pen="tip" id="13"><costumes><list struct="atomic" id="14"></list></costumes><sounds><list struct="atomic" id="15"></list></sounds><blocks></blocks><variables></variables><scripts><script x="199" y="37.8333333333334"><block s="receiveGo"></block><block s="doSetVar"><l>index</l><l>1</l></block><block s="doSetVar"><l>upcList</l><block s="reportNewList"><list></list></block></block><block s="doSetVar"><l>evenSum</l><l>0</l></block><block s="doUntil"><block s="reportVariadicEquals"><list><block var="index"/><l>13</l></list></block><script><block s="doAsk"><block s="reportJoinWords"><list><l>What is digit </l><block var="index"/><l> of your upc code</l></list></block></block><block s="doInsertInList"><block s="getLastAnswer"></block><block var="index"/><block var="upcList"/></block><block s="doSetVar"><l>index</l><block s="reportVariadicSum"><list><block var="index"/><l>1</l></list></block></block></script></block><block s="doSetVar"><l>oddSum</l><l>0</l></block><block s="doForEach"><l>item</l><block var="upcList"/><script><block s="doIf"><block s="reportVariadicEquals"><list><block s="reportModulus"><block s="reportListIndex"><block var="item"/><block var="upcList"/></block><l>2</l></block><l>1</l></list></block><script><block s="doChangeVar"><l>oddSum</l><block var="item"/></block></script><list></list></block></script></block><block s="doSetVar"><l>oddSumTimes3</l><block s="reportVariadicProduct"><list><block var="oddSum"/><l>3</l></list></block></block><block s="doSetVar"><l>evenSum</l><l>0</l></block><block s="doForEach"><l>item</l><block var="upcList"/><script><block s="doIf"><block s="reportVariadicAnd"><list><block s="reportVariadicEquals"><list><block s="reportModulus"><block s="reportListIndex"><block var="item"/><block var="upcList"/></block><l>2</l></block><l>0</l></list></block><block s="reportNot"><block s="reportVariadicEquals"><list><l>12</l><block s="reportListIndex"><block var="item"/><block var="upcList"/></block></list></block></block></list></block><script><block s="doChangeVar"><l>evenSum</l><block var="item"/></block></script><list></list></block></script></block><block s="doSetVar"><l>oddSumTimes3PlusEvenSum</l><block s="reportVariadicSum"><list><block var="evenSum"/><block var="oddSumTimes3"/></list></block></block><block s="doSetVar"><l>validationNumber</l><block s="reportListItem"><l>12</l><block var="upcList"/></block></block><block s="doSetVar"><l>FinalNumber</l><block s="reportVariadicSum"><list><block var="oddSumTimes3PlusEvenSum"/><block var="validationNumber"/></list></block></block><block s="doIf"><block s="reportVariadicEquals"><list><block s="reportModulus"><block var="FinalNumber"/><l>10</l></block><l>0</l></list></block><script><block s="doSayFor"><l>UPC code is valid</l><l>2</l></block></script><list><l><bool>true</bool></l><script><block s="doSayFor"><l>UPC code is invalid</l><l>2</l></block></script></list></block></script></scripts></sprite><watcher var="index" style="normal" x="10" y="31.000001999999995" color="243,118,29"/><watcher var="oddSum" style="normal" x="10" y="52.00000399999999" color="243,118,29"/><watcher var="oddSumTimes3" style="normal" x="10" y="166.00000799999998" color="243,118,29"/><watcher var="oddSumTimes3PlusEvenSum" style="normal" x="10" y="187.00000999999997" color="243,118,29"/><watcher var="validationNumber" style="normal" x="10" y="208.00001199999997" color="243,118,29"/><watcher var="FinalNumber" style="normal" x="10" y="229.00001399999996" color="243,118,29"/><watcher var="upcList" style="normal" x="8" y="251" color="243,118,29" extX="80" extY="70"/><watcher var="evenSum" style="normal" x="11" y="74.00000599999998" color="243,118,29"/></sprites></stage><variables><variable name="upcList"><list struct="atomic" id="195">0,4,9,0,0,0,0,2,7,6,2,4</list></variable><variable name="index"><l>13</l></variable><variable name="oddSum"><l>16</l></variable><variable name="evenSum"><l>18</l></variable><variable name="oddSumTimes3"><l>48</l></variable><variable name="oddSumTimes3PlusEvenSum"><l>66</l></variable><variable name="validationNumber"><l>4</l></variable><variable name="FinalNumber"><l>70</l></variable></variables></scene></scenes></project><media name="UPC checker" app="Snap! 11.0.8, https://snap.berkeley.edu" version="2"></media></snapdata>