---

using System;

class Student
{
    public string Surname, Name, Patronymic, Gender, Nationality;
    public int Height, Weight, Year, Month, Day;
    public string Phone, Index, Country, Region, District;
    public string City, Street, House, Apartment;
    public string University, Group, Specialty;
    public int Course;
    public double AverageGrade;

    public Student(string surname, string name, string patronymic,
        string gender, string nationality, int height, int weight,
        int year, int month, int day, string phone,
        string index, string country, string region, string district,
        string city, string street, string house, string apartment,
        string university, int course, string group,
        double averageGrade, string specialty)
    {
        Surname = surname;
        Name = name;
        Patronymic = patronymic;
        Gender = gender;
        Nationality = nationality;
        Height = height;
        Weight = weight;
        Year = year;
        Month = month;
        Day = day;
        Phone = phone;
        Index = index;
        Country = country;
        Region = region;
        District = district;
        City = city;
        Street = street;
        House = house;
        Apartment = apartment;
        University = university;
        Course = course;
        Group = group;
        AverageGrade = averageGrade;
        Specialty = specialty;
    }

    public void Information()
    {
        Console.WriteLine($"ФИО: {Surname} {Name} {Patronymic}");
        Console.WriteLine($"Пол: {Gender}, национальность: {Nationality}");
        Console.WriteLine($"Рост: {Height}, вес: {Weight}");
        Console.WriteLine($"Дата рождения: {Day}.{Month}.{Year}");
        Console.WriteLine($"Телефон: {Phone}");
        Console.WriteLine($"Адрес: {Index}, {Country}, {Region}, {District}, {City}, ул. {Street}, дом {House}, кв. {Apartment}");
        Console.WriteLine($"ВУЗ: {University}, курс: {Course}");
        Console.WriteLine($"Группа: {Group}, средний балл: {AverageGrade}");
        Console.WriteLine($"Специальность: {Specialty}");
        Console.WriteLine();
    }
}

class Program
{
    static void Main()
    {
        Student[] students =
        {
            new Student("Иванов", "Иван", "Иванович",
                "Мужской", "Русский", 180, 75, 2006, 4, 15,
                "123456", "12345", "Украина", "Одесская",
                "Одесский", "Одесса", "Мира", "10", "5",
                "ОНУ", 2, "КН-21", 65, "Информатика"),

            new Student("Петрова", "Анна", "Сергеевна",
                "Женский", "Украинка", 165, 55, 2005, 8, 10,
                "654321", "54321", "Украина", "Киевская",
                "Центральный", "Киев", "Садовая", "15", "8",
                "КНУ", 3, "БИ-31", 85, "Биология")
        };

        foreach (Student student in students)
        {
            if (student.AverageGrade < 70)
                student.Information();
        }
    }
}