<snapdata remixID="14720844"><project name="UPC Checker" app="Snap! 11.0.5, https://snap.berkeley.edu" version="2"><notes></notes><thumbnail>data:image/png;base64,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</thumbnail><scenes select="1"><scene name="UPC Checker"><notes></notes><hidden></hidden><headers></headers><code></code><blocks><block-definition s="GetAndCheckUPCcode" type="command" category="sensing"><header></header><code></code><translations></translations><inputs></inputs><script><block s="doAsk"><l>Input a UPC code</l></block><block s="doIf"><block s="reportVariadicEquals"><list><custom-block s="CheckNumerical UPC: %s"><block s="getLastAnswer"></block></custom-block><block s="reportBoolean"><l><bool>false</bool></l></block></list></block><script><custom-block s="GetAndCheckUPCcode"></custom-block><block s="doStopThis"><l><option>this script</option></l></block></script><list></list></block><block s="doIf"><block s="reportVariadicEquals"><list><custom-block s="CheckSize UPC: %s"><block s="getLastAnswer"></block></custom-block><block s="reportBoolean"><l><bool>false</bool></l></block></list></block><script><custom-block s="GetAndCheckUPCcode"></custom-block><block s="doStopThis"><l><option>this script</option></l></block></script><list></list></block><block s="doIf"><block s="reportVariadicEquals"><list><custom-block s="CheckValidCheckDigit UPC: %s"><block s="getLastAnswer"></block></custom-block><block s="reportBoolean"><l><bool>false</bool></l></block></list></block><script><custom-block s="GetAndCheckUPCcode"></custom-block><block s="doStopThis"><l><option>this script</option></l></block></script><list></list></block><block s="doSayFor"><block s="reportJoinWords"><list><l>The UPC code </l><block s="getLastAnswer"></block><l> is valid!</l></list></block><l>4</l></block><custom-block s="GetAndCheckUPCcode"></custom-block></script></block-definition><block-definition s="CheckNumerical UPC: %&apos;Input&apos;" type="reporter" category="sensing"><header></header><code></code><translations></translations><inputs><input type="%s" initial="1"></input></inputs><script><block s="doIfElse"><block s="reportIsA"><block var="Input"/><l><option>number</option></l></block><script><block s="doReport"><block s="reportBoolean"><l><bool>true</bool></l></block></block></script><script><block s="doSayFor"><l>Enter only in numbers!</l><l>2</l></block><block s="doReport"><block s="reportBoolean"><l><bool>false</bool></l></block></block></script></block></script></block-definition><block-definition s="CheckSize UPC: %&apos;Input&apos;" type="reporter" category="sensing"><header></header><code></code><translations></translations><inputs><input type="%s" initial="1"></input></inputs><script><block s="doIf"><block s="reportVariadicGreaterThan"><list><block s="reportTextAttribute"><l><option>length</option></l><block var="Input"/></block><l>12</l></list></block><script><block s="doSayFor"><l>The entered code is too long!</l><l>2</l></block><block s="doReport"><block s="reportBoolean"><l><bool>false</bool></l></block></block></script><list><block s="reportVariadicLessThan"><list><block s="reportTextAttribute"><l><option>length</option></l><block var="Input"/></block><l>12</l></list></block><script><block s="doSayFor"><l>The entered code is too short!</l><l>2</l></block><block s="doReport"><block s="reportBoolean"><l><bool>false</bool></l></block></block></script><block s="reportVariadicEquals"><list><block s="reportTextAttribute"><l><option>length</option></l><block var="Input"/></block><l>12</l></list></block><script><block s="doReport"><block s="reportBoolean"><l><bool>true</bool></l></block></block></script></list></block></script></block-definition><block-definition s="CheckValidCheckDigit UPC: %&apos;Input&apos;" type="reporter" category="sensing"><header></header><code></code><translations></translations><inputs><input type="%s" initial="1"></input></inputs><script><block s="doDeclareVariables"><list><l>UPC Separated</l><l>Odd</l><l>Even</l><l>CheckDigitDifference</l></list></block><block s="doSetVar"><l>UPC Separated</l><block s="reportTextSplit"><block var="Input"/><l><option>letter</option></l></block></block><block s="doSetVar"><l>Odd</l><l>0</l></block><block s="doSetVar"><l>Even</l><l>0</l></block><block s="doFor"><l>i</l><l>1</l><l>11</l><script><block s="doIfElse"><block s="reportVariadicEquals"><list><block s="reportModulus"><block var="i"/><l>2</l></block><l>0</l></list></block><script><block s="doChangeVar"><l>Even</l><block s="reportListItem"><block var="i"/><block var="UPC Separated"/></block></block></script><script><block s="doChangeVar"><l>Odd</l><block s="reportListItem"><block var="i"/><block var="UPC Separated"/></block></block></script></block></script></block><block s="doSetVar"><l>Odd</l><block s="reportVariadicProduct"><list><block var="Odd"/><l>3</l></list></block></block><block s="doSetVar"><l>CheckDigitDifference</l><block s="reportModulus"><block s="reportVariadicSum"><list><block var="Odd"/><block var="Even"/><block s="reportListItem"><l>12</l><block var="UPC Separated"/></block></list></block><l>10</l></block></block><block s="doIfElse"><block s="reportVariadicEquals"><list><block var="CheckDigitDifference"/><l>0</l></list></block><script><block s="doReport"><block s="reportBoolean"><l><bool>true</bool></l></block></block></script><script><block s="doSayFor"><l>The check digit is wrong!</l><l>2</l></block><block s="doIf"><block s="reportVariadicGreaterThan"><list><block s="reportDifference"><block s="reportListItem"><l>12</l><block var="UPC Separated"/></block><block var="CheckDigitDifference"/></block><l>-1</l></list></block><script><block s="doSayFor"><block s="reportJoinWords"><list><l>Decrease the check digit by </l><block var="CheckDigitDifference"/><l> to get a valid code!</l></list></block><l>2</l></block></script><list><block s="reportVariadicLessThan"><list><block s="reportVariadicSum"><list><block s="reportListItem"><l>12</l><block var="UPC Separated"/></block><block s="reportDifference"><l>10</l><block var="CheckDigitDifference"/></block></list></block><l>10</l></list></block><script><block s="doSayFor"><block s="reportJoinWords"><list><l>Increase the check digit by </l><block s="reportDifference"><l>10</l><block var="CheckDigitDifference"/></block><l> to get a valid code!</l></list></block><l>2</l></block></script><l><bool>true</bool></l><script><block s="doSayFor"><l>This code is not possible to solve!</l><l>2</l></block></script></list></block><block s="doReport"><block s="reportBoolean"><l><bool>false</bool></l></block></block></script></block></script><scripts><script x="93" y="747.8333333333333"><block s="reportVariadicAnd"><list><block s="reportVariadicGreaterThan"><list><block var="CheckDigitDifference"/><l>5</l></list></block><l/></list></block></script></scripts></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" 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struct="atomic" id="328"></list></costumes><sounds><list struct="atomic" id="329"></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="334"><costumes><list struct="atomic" id="335"></list></costumes><sounds><list struct="atomic" id="336"></list></sounds><blocks></blocks><variables></variables><scripts><script x="30" y="30"><block s="receiveGo"></block><custom-block s="GetAndCheckUPCcode"></custom-block></script></scripts></sprite></sprites></stage><variables></variables></scene></scenes></project><media name="UPC Checker" app="Snap! 11.0.5, https://snap.berkeley.edu" version="2"></media></snapdata>