<snapdata remixID="14012245"><project name="Barcode" app="Snap! 10.1-dev, https://snap.berkeley.edu" version="2"><notes></notes><thumbnail>data:image/png;base64,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</thumbnail><scenes select="1"><scene name="Barcode"><notes></notes><hidden></hidden><headers></headers><code></code><blocks><block-definition s="OddNums" type="command" category="variables"><header></header><code></code><translations></translations><inputs></inputs><script><block s="doSetVar"><l>OddNums</l><l>0</l></block><block s="doSetVar"><l>index</l><l>1</l></block><block s="doRepeat"><block s="reportListAttribute"><l><option>length</option></l><block var="UPC"/></block><script><block s="doIf"><block s="reportVariadicEquals"><list><block s="reportModulus"><block var="index"/><l>2</l></block><l>1</l></list></block><script><block s="doChangeVar"><l>OddNums</l><block s="reportListItem"><block var="index"/><block var="UPC"/></block></block></script><list></list></block><block s="doChangeVar"><l>index</l><l>1</l></block></script></block><block s="doSetVar"><l>OddNums</l><block s="reportVariadicProduct"><list><block var="OddNums"/><l>3</l></list></block></block></script></block-definition><block-definition s="EvenNums" type="command" category="variables"><header></header><code></code><translations></translations><inputs></inputs><script><block s="doSetVar"><l>EvenNums</l><l>0</l></block><block s="doSetVar"><l>index</l><l>1</l></block><block s="doUntil"><block s="reportVariadicEquals"><list><block var="index"/><l>11</l></list></block><script><block s="doIf"><block s="reportVariadicEquals"><list><block s="reportModulus"><block var="index"/><l>2</l></block><l>0</l></list></block><script><block s="doChangeVar"><l>EvenNums</l><block s="reportListItem"><block var="index"/><block var="UPC"/></block></block></script><list></list></block><block s="doChangeVar"><l>index</l><l>1</l></block></script></block></script></block-definition><block-definition s="Sum" type="command" category="variables"><header></header><code></code><translations></translations><inputs></inputs><script><block s="doSetVar"><l>index</l><l>12</l></block><block s="doSetVar"><l>Sum</l><block s="reportVariadicSum"><list><block var="EvenNums"/><block var="OddNums"/><block s="reportListItem"><block var="index"/><block var="UPC"/></block></list></block></block><block s="doIf"><block s="reportVariadicNotEquals"><list><block s="reportModulus"><block var="Sum"/><l>10</l></block><l>0</l></list></block><script><block s="doSayFor"><l>Your barcode is invalid</l><l>2</l></block></script><list></list></block></script></block-definition><block-definition s="Code Retrieval" type="command" category="variables"><header></header><code></code><translations></translations><inputs></inputs><script><block s="doAsk"><l>Enter UPC number.</l></block><block s="doSetVar"><l>code</l><block s="getLastAnswer"></block></block><block s="doSetVar"><l>UPC</l><block s="reportNewList"><list></list></block></block><block s="doFor"><l>i</l><l>1</l><block s="reportTextAttribute"><l><option>length</option></l><block var="code"/></block><script><block s="doAddToList"><block s="reportLetter"><block var="i"/><block var="code"/></block><block var="UPC"/></block></script></block></script></block-definition><block-definition s="CheckDigit" type="command" category="variables"><header></header><code></code><translations></translations><inputs></inputs><script><block s="doSetVar"><l>checkDigit</l><l>0</l></block><block s="doIfElse"><block s="reportVariadicNotEquals"><list><block s="reportModulus"><block var="Sum"/><l>10</l></block><l>0</l></list></block><script><block s="doSetVar"><l>Sum</l><block s="reportDifference"><block var="Sum"/><block s="reportListItem"><l>12</l><block var="UPC"/></block></block></block><block s="doUntil"><block s="reportVariadicEquals"><list><block s="reportModulus"><block var="Sum"/><l>10</l></block><l>0</l></list></block><script><block s="doChangeVar"><l>Sum</l><l>1</l></block><block s="doChangeVar"><l>checkDigit</l><l>1</l></block></script></block><block s="doSayFor"><block s="reportJoinWords"><list><l>You need a check digit of </l><block var="checkDigit"/><l> to have a valid barcode.</l></list></block><l>2</l></block></script><script><block s="doSayFor"><l>Your UPC is valid!</l><l>2</l></block></script></block></script></block-definition></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" id="213"><pentrails>data:image/png;base64,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</pentrails><costumes><list struct="atomic" id="214"></list></costumes><sounds><list struct="atomic" id="215"></list></sounds><variables></variables><blocks></blocks><scripts></scripts><sprites select="1"><sprite name="Sprite" idx="1" x="-27" y="51" heading="90" scale="1" volume="100" pan="0" rotation="1" draggable="true" costume="0" color="80,80,80,1" pen="tip" id="220"><costumes><list struct="atomic" id="221"></list></costumes><sounds><list struct="atomic" id="222"></list></sounds><blocks></blocks><variables></variables><scripts><script x="50.935546875" y="10"><block s="receiveGo"></block><custom-block s="Code Retrieval"></custom-block><custom-block s="OddNums"></custom-block><custom-block s="EvenNums"></custom-block><custom-block s="Sum"></custom-block><custom-block s="CheckDigit"></custom-block></script></scripts></sprite><watcher var="barcode" style="normal" x="259" y="16" color="243,118,29" hidden="true"/><watcher var="index" style="normal" x="2" y="24.000001999999995" color="243,118,29" hidden="true"/><watcher var="code" style="normal" x="3" y="54.00000399999999" color="243,118,29" hidden="true"/><watcher var="EvenNums" style="normal" x="22" y="140.000004" color="243,118,29" hidden="true"/><watcher var="Sum" style="normal" x="292" y="87.00000399999999" color="243,118,29" hidden="true"/><watcher var="OddNums" style="normal" x="145" y="140.00000599999998" color="243,118,29" hidden="true"/><watcher var="UPC" style="normal" x="143" y="32.000005999999985" color="243,118,29" hidden="true"/><watcher var="checkDigit" style="normal" x="10" y="10" color="243,118,29" hidden="true"/></sprites></stage><variables><variable name="index"><l>12</l></variable><variable name="OddNums"><l>18</l></variable><variable name="EvenNums"><l>5</l></variable><variable name="Sum"><l>30</l></variable><variable name="code"><l>111111111117</l></variable><variable name="UPC"><list struct="atomic" id="241">1,1,1,1,1,1,1,1,1,1,1,7</list></variable><variable name="checkDigit"><l>0</l></variable></variables></scene></scenes></project><media name="Barcode" app="Snap! 10.1-dev, https://snap.berkeley.edu" version="2"></media></snapdata>