let code1='0',code2='0',code3='0'
if($gameSwitches.value(101))
code1='1'
if($gameSwitches.value(121))
code2='1'
if($gameSwitches.value(122))
code2='2'
if($gameSwitches.value(130))
code3='1'
if($gameSwitches.value(131))
code3='2'
$gameVariables.setValue(30,(code1+code2+code3)*1)