function myFunction() {
  var verified=0;
  var threads = GmailApp.getInboxThreads(0, 200);
  for (var i = 0; i < threads.length; i++) {
    Logger.log(threads[i].getFirstMessageSubject());
    var messages = threads[1].getMessages();
    for(var j =0; j < messages.length; j++)
    {
      var msg=messages[j];
      if(msg.getSubject() === "Pokémon Trainer Club Activation" && msg.isUnread()) {
        var value = msg.getBody()
                       .match(/Verify your email/m);
        if(value) {
          var link = msg.getBody().match(/<a href="https:\/\/club.pokemon.com\/us\/pokemon-trainer-club\/activated\/([\w\d]+)"/);
          if(link) {
            var url = 'https://club.pokemon.com/us/pokemon-trainer-club/activated/' + link[1];
            var status = UrlFetchApp.fetch(url).getResponseCode();
            Logger.log("[#] Verified (" + status + "): " + url);
            if(status == 200) { verified++; GmailApp.markMessageRead(msg);}
          }
        }
      }
    }
  }
  Logger.log("Completed " + verified + " verifications.");
}