function main() {
var adGroupIterator = AdWordsApp.adGroups()
.withCondition('Status = ENABLED')
.withCondition('CampaignStatus = ENABLED')
.get();
while (adGroupIterator.hasNext()) {
var adGroup = adGroupIterator.next();

// Keywords Control
var keywordIterator = adGroup.keywords()
.withCondition('Status = ENABLED')
.get();

var numKeywords = keywordIterator.totalNumEntities();
if(numKeywords >= 25) {
var campaignName = adGroup.getCampaign().getName();
var adGroupName = adGroup.getName();
Logger.log(campaignName + " / - / " + adGroupName + " / Keywords Count: " + numKeywords);
}
}
}