<snapdata remixID="9732467"><project name="CheckSum" app="Snap! 6, https://snap.berkeley.edu" version="1"><notes></notes><thumbnail>data:image/png;base64,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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" scheduled="false" 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AoGAAAfoJgkQIECAgAD7AQIECBAgEAgIcIBukgABAgQIHLFxAWmhEwHPAAAAAElFTkSuQmCC</pentrails><costumes><list struct="atomic" id="2"></list></costumes><sounds><list struct="atomic" id="3"></list></sounds><variables></variables><blocks></blocks><scripts></scripts><sprites><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="8"><costumes><list struct="atomic" id="9"></list></costumes><sounds><list struct="atomic" id="10"></list></sounds><blocks></blocks><variables></variables><scripts><script x="20" y="20"><block s="receiveKey"><l><option>1</option></l></block><block s="doAsk"><l>Give me a 12 digit number</l></block><block s="doSetVar"><l>isbn-12</l><block s="getLastAnswer"></block></block><block s="doUntil"><block s="reportEquals"><block s="reportStringSize"><block var="isbn-12"/></block><l>12</l></block><script><block s="doAsk"><l>Try again mate, 12 digits this time please</l></block><block s="doSetVar"><l>isbn-12</l><block s="getLastAnswer"></block></block></script></block><block s="doSetVar"><l>isbn-12list</l><block s="reportTextSplit"><block var="isbn-12"/><l><option>letter</option></l></block></block><block s="doSetVar"><l>isbn-12</l><block s="reportSum"><block s="reportProduct"><block var="isbn-12"/><l>10</l></block><custom-block s="checkSum %s"><block var="isbn-12list"/></custom-block></block></block><block s="bubble"><block s="reportJoinWords"><list><l>Your full ISBN-13 is </l><block var="isbn-12"/></list></block></block></script><script x="20" y="278.33333333333337"><block s="receiveKey"><l><option>2</option></l></block><block s="doAsk"><l>Give me a full ISBN-13 code.</l></block><block s="doSetVar"><l>isbn-13list</l><block s="reportTextSplit"><block s="getLastAnswer"></block><l><option>letter</option></l></block></block><block s="doSayFor"><custom-block s="CheckSumVerification"></custom-block><l>2</l></block></script></scripts></sprite><watcher var="isbn-12" style="normal" x="10" y="10" color="243,118,29"/><watcher var="checkSum" style="normal" x="7" 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