function main() {
  var TARGET_ADGROUP_NAMES = ['Name of the AD GROUP']; // Add your ad group names here
  var CTR_THRESHOLD = 0.05; // 5% CTR threshold
  var COST_THRESHOLD = 30; // 30 Currency cost threshold

  var adGroups = AdsApp.adGroups()
    .withCondition("Status = ENABLED")
    .get();

  while (adGroups.hasNext()) {
    var adGroup = adGroups.next();
    var adGroupName = adGroup.getName();

    // Check if the current ad group is one of the target ad groups
    if (TARGET_ADGROUP_NAMES.indexOf(adGroupName) !== -1) {
      var keywords = adGroup.keywords()
        .withCondition("Status = ENABLED")
        .get();

      while (keywords.hasNext()) {
        var keyword = keywords.next();
        var stats = keyword.getStatsFor("LAST_30_DAYS"); // Get stats for the last 30 days
        var ctr = stats.getCtr();
        var cost = stats.getCost(); // Assuming the cost is reported in RON

        if (ctr < CTR_THRESHOLD && cost < COST_THRESHOLD) {
          keyword.pause(); // Pausing the keyword
        }
      }
    }
  }
}