<?xml version="1.0" encoding="UTF-8"?>
<workflow name="AddVariables" version="1">
  <node id="1" type="Start">
    <outNode id="3"/>
  </node>
  <node id="2" type="End"/>
  <node id="3" type="VariableSet">
    <variable name="a">
      <integer>1</integer>
    </variable>
    <variable name="b">
      <integer>1</integer>
    </variable>
    <outNode id="4"/>
  </node>
  <node id="4" type="VariableAdd" variable="b" operand="a">
    <outNode id="2"/>
  </node>
</workflow>