<tokens>
<keyword> class </keyword>
<identifier> Main </identifier>
<symbol> { </symbol>
<keyword> function </keyword>
<keyword> void </keyword>
<identifier> main </identifier>
<symbol> ( </symbol>
<symbol> ) </symbol>
<symbol> { </symbol>
<keyword> do </keyword>
<identifier> Output </identifier>
<symbol> . </symbol>
<identifier> printInt </identifier>
<symbol> ( </symbol>
<integerConstant> 1 </integerConstant>
<symbol> + </symbol>
<symbol> ( </symbol>
<integerConstant> 2 </integerConstant>
<symbol> * </symbol>
<integerConstant> 3 </integerConstant>
<symbol> ) </symbol>
<symbol> ) </symbol>
<symbol> ; </symbol>
<keyword> return </keyword>
<symbol> ; </symbol>
<symbol> } </symbol>
<symbol> } </symbol>
</tokens>
