class Person
    {
        public string Name { get; private set; }
        public int Age { get; private set; }
        public string Phone { get; private set; }

        public Person(string name, int age, string phone)
        {
            Name = name;
            Age = age;
            Phone = phone;
        }

        public void PrintContactInfo()
        {
            Console.WriteLine($"{Name} ({Age}) - {Phone}");
        }

        public void UpdatePhone(string phone)
        {
            Phone = phone;
        }

        public override string ToString()
        {
            return String.Format($"{Name} ({Age}) - {Phone}");
        }
    }