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s="doWait"><l>2</l></block><block s="bubble"><l></l></block></script><script x="267" y="65"><block s="receiveKey"><l><option>space</option></l></block><block s="doSayFor"><l>2000</l><l>2</l></block><custom-block s="is a leap year %s"><l>2000</l></custom-block><block s="doWait"><l>2</l></block><block s="doSayFor"><l>2004</l><l>2</l></block><custom-block s="is a leap year %s"><l>2004</l></custom-block><block s="doWait"><l>2</l></block><block s="doSayFor"><l>2005</l><l>2</l></block><custom-block s="is a leap year %s"><l>2005</l></custom-block><block s="doWait"><l>2</l></block><block s="doSayFor"><l>1900</l><l>2</l></block><custom-block s="is a leap year %s"><l>1900</l></custom-block><block s="doWait"><l>2</l></block><block s="bubble"><l></l></block></script><script x="52" y="54.66666666666666"><block s="receiveKey"><l><option>1</option></l></block><block s="doSayFor"><l>January 1</l><l>2</l></block><custom-block s="is a valid date %s %s"><l>January</l><l>1</l></custom-block><block s="doWait"><l>2</l></block><block s="doSayFor"><l>February 29</l><l>2</l></block><custom-block s="is a valid date %s %s"><l>February</l><l>29</l></custom-block><block s="doWait"><l>2</l></block><block s="doSayFor"><l>April 30</l><l>2</l></block><custom-block s="is a valid date %s %s"><l>April</l><l>30</l></custom-block><block s="doWait"><l>2</l></block><block s="doSayFor"><l>April 31</l><l>2</l></block><custom-block s="is a valid date %s %s"><l>April</l><l>31</l></custom-block><block s="doWait"><l>2</l></block><block s="doSayFor"><l>Octember 5</l><l>2</l></block><custom-block s="is a valid date %s %s"><l>Octember</l><l>5</l></custom-block><block s="doWait"><l>2</l></block><block s="bubble"><l></l></block></script></scripts></sprite></sprites></stage><hidden></hidden><headers></headers><code></code><blocks><block-definition s="month name %&apos;monthNum&apos;" type="command" category="looks"><header></header><code></code><translations></translations><inputs><input type="%s"></input></inputs><script><block s="doIf"><block s="reportEquals"><block var="monthNum"/><l>1</l></block><script><block s="bubble"><l>January</l></block></script></block><block s="doIf"><block s="reportEquals"><block var="monthNum"/><l>2</l></block><script><block s="bubble"><l>February</l></block></script></block><block s="doIf"><block s="reportEquals"><block var="monthNum"/><l>3</l></block><script><block s="bubble"><l>March</l></block></script></block><block s="doIf"><block s="reportEquals"><block var="monthNum"/><l>4</l></block><script><block s="bubble"><l>April</l></block></script></block><block s="doIf"><block s="reportEquals"><block var="monthNum"/><l>5</l></block><script><block s="bubble"><l>May</l></block></script></block><block s="doIf"><block s="reportEquals"><block var="monthNum"/><l>6</l></block><script><block s="bubble"><l>June</l></block></script></block><block s="doIf"><block s="reportEquals"><block var="monthNum"/><l>7</l></block><script><block s="bubble"><l>July</l></block></script></block><block s="doIf"><block s="reportEquals"><block var="monthNum"/><l>8</l></block><script><block s="bubble"><l>August</l></block></script></block><block s="doIf"><block s="reportEquals"><block var="monthNum"/><l>9</l></block><script><block s="bubble"><l>September</l></block></script></block><block s="doIf"><block s="reportEquals"><block var="monthNum"/><l>10</l></block><script><block s="bubble"><l>October</l></block></script></block><block s="doIf"><block s="reportEquals"><block var="monthNum"/><l>11</l></block><script><block s="bubble"><l>November</l></block></script></block><block s="doIf"><block s="reportEquals"><block var="monthNum"/><l>12</l></block><script><block s="bubble"><l>December</l></block></script></block></script></block-definition><block-definition s="day name %&apos;dayNum&apos;" type="command" category="looks"><header></header><code></code><translations></translations><inputs><input type="%s"></input></inputs><script><block s="doIf"><block s="reportEquals"><block var="dayNum"/><l>1</l></block><script><block s="bubble"><l>Sunday</l></block></script></block><block s="doIf"><block s="reportEquals"><block var="dayNum"/><l>2</l></block><script><block s="bubble"><l>Monday</l></block></script></block><block s="doIf"><block s="reportEquals"><block var="dayNum"/><l>3</l></block><script><block s="bubble"><l>Tuesday</l></block></script></block><block s="doIf"><block s="reportEquals"><block var="dayNum"/><l>4</l></block><script><block s="bubble"><l>Wednesday</l></block></script></block><block s="doIf"><block s="reportEquals"><block var="dayNum"/><l>5</l></block><script><block s="bubble"><l>Thursday</l></block></script></block><block s="doIf"><block s="reportEquals"><block var="dayNum"/><l>6</l></block><script><block s="bubble"><l>Friday</l></block></script></block><block s="doIf"><block s="reportEquals"><block var="dayNum"/><l>7</l></block><script><block s="bubble"><l>Saturday</l></block></script></block></script></block-definition><block-definition s="days in %&apos;monthNum&apos;" type="command" category="looks"><header></header><code></code><translations></translations><inputs><input type="%s"></input></inputs><script><block s="doIfElse"><block s="reportOr"><block s="reportEquals"><block var="monthNum"/><l>4</l></block><block s="reportOr"><block s="reportEquals"><block var="monthNum"/><l>6</l></block><block s="reportOr"><block s="reportEquals"><block var="monthNum"/><l>9</l></block><block s="reportEquals"><block var="monthNum"/><l>11</l></block></block></block></block><script><block s="bubble"><l>31</l></block></script><script><block s="doIfElse"><block s="reportEquals"><block var="monthNum"/><l>2</l></block><script><block s="bubble"><l>28</l></block></script><script><block s="bubble"><l>30</l></block></script></block></script></block></script></block-definition><block-definition s="is a leap year %&apos;y&apos;" type="command" category="looks"><header></header><code></code><translations></translations><inputs><input type="%s"></input></inputs><script><block s="doIfElse"><block s="reportNotEquals"><block s="reportModulus"><block var="y"/><l>4</l></block><l>0</l></block><script><block s="bubble"><l>Not a leap year</l></block></script><script><block s="doIfElse"><block s="reportNotEquals"><block s="reportModulus"><block var="y"/><l>100</l></block><l>0</l></block><script><block s="bubble"><l>Is a leap year</l></block></script><script><block s="doIfElse"><block s="reportNotEquals"><block s="reportModulus"><block var="y"/><l>400</l></block><l>0</l></block><script><block s="bubble"><l>Not a leap year</l></block></script><script><block s="bubble"><l>Is a leap year</l></block></script></block></script></block></script></block></script><scripts><comment x="182" y="17.19999999999999" w="302" collapsed="false">if (year is not divisible by 4) then (it is a common year)&#xD;else if (year is not divisible by 100) then (it is a leap year)&#xD;else if (year is not divisible by 400) then (it is a common year)&#xD;else (it is a leap year)</comment></scripts></block-definition><block-definition s="is a valid date %&apos;monthName&apos; %&apos;dayNumber&apos;" type="command" category="looks"><header></header><code></code><translations></translations><inputs><input type="%s"></input><input type="%s"></input></inputs><script><block s="doIfElse"><block s="reportEquals"><block var="monthName"/><l>February</l></block><script><block s="doIfElse"><block s="reportAnd"><block s="reportGreaterThan"><block var="dayNumber"/><l>0</l></block><block s="reportLessThanOrEquals"><block var="dayNumber"/><l>28</l></block></block><script><block s="bubble"><l>Valid date</l></block></script><script><block s="bubble"><l>Not valid date</l></block></script></block></script><script><block s="doIfElse"><block s="reportOr"><block s="reportEquals"><block var="monthName"/><l>April</l></block><block s="reportOr"><block s="reportEquals"><block var="monthName"/><l>June</l></block><block s="reportOr"><block s="reportEquals"><block var="monthName"/><l>September</l></block><block s="reportEquals"><block var="monthName"/><l>November</l></block></block></block></block><script><block s="doIfElse"><block s="reportAnd"><block s="reportGreaterThan"><block var="dayNumber"/><l>0</l></block><block s="reportLessThanOrEquals"><block var="dayNumber"/><l>30</l></block></block><script><block s="bubble"><l>Valid date</l></block></script><script><block s="bubble"><l>Not valid date</l></block></script></block></script><script><block s="doIfElse"><block s="reportOr"><block s="reportEquals"><block var="monthName"/><l>January</l></block><block s="reportOr"><block s="reportEquals"><block var="monthName"/><l>March</l></block><block s="reportOr"><block s="reportEquals"><block var="monthName"/><l>May</l></block><block s="reportOr"><block s="reportEquals"><block var="monthName"/><l>July</l></block><block s="reportOr"><block s="reportEquals"><block var="monthName"/><l>August</l></block><block s="reportOr"><block s="reportEquals"><block var="monthName"/><l>October</l></block><block s="reportEquals"><block var="monthName"/><l>December</l></block></block></block></block></block></block></block><script><block s="doIfElse"><block s="reportAnd"><block s="reportGreaterThan"><block var="dayNumber"/><l>0</l></block><block s="reportLessThanOrEquals"><block var="dayNumber"/><l>31</l></block></block><script><block s="bubble"><l>Valid date</l></block></script><script><block s="bubble"><l>Not valid date</l></block></script></block></script><script><block s="bubble"><l>Not valid date</l></block></script></block></script></block></script></block></script></block-definition></blocks><variables></variables></project><media name="Lab 3.3_2.1_Sample" app="Snap! 6, https://snap.berkeley.edu" version="1"></media></snapdata>