private String checkConfig(List<String>armies,List<String>playersNames){
		if(armies.size() != 2){
			return MessageBuilder.armiesErrorMessage();
		}
		if(playersNames.size() != Config.getPLAYERS()){
			return MessageBuilder.playersCountErrorMessage();
		}
		for(int i = 0; i<playersNames.size(); i++){
			if(playersNames.get(i).length() > 20 || playersNames.get(i).length() < 2){
				return MessageBuilder.lettersErrorMessage();
			}
		}
		return "OK";
	}