При вызове метода ничего не происходит.С++

    #include <iostream>
#include <stdio.h>

using namespace std;
#define  N 5
class Man {
    string name;
    int age;
    string city;
public:
    virtual void about() {
        printf("Hi, my name's %s.I'm %i.I live in %s.", name.c_str(), age, city.c_str());
    }
    virtual void fiiling() {
        cout << "Enter your name: ";
        cin >> name;
        cout << "Enter your age: ";
        cin >> age;
        cout << "Enter  city of residence:";
        cin >> city;
    }

};
class Student : public Man {
protected:
    char status;
    char statusStudy;
    char statusAvarang;
    string university;  // университет
    string faculty; // факультет
    string group;   // Группа
    int course;    //курс
    float evaluation[N];
    float avarangPoint;
    bool isStudy;

public:
    void about() override {
        Man::about();
        printf("I study in %s.faculty %s,group %s, course %s.", university.c_str(), faculty.c_str(), group.c_str(),
               course);
    }
    void fiiling() override {
        Man::fiiling();
        cout << "Enter your university: ";
        cin >> university;
        cout << "Enter faculty: ";
        cin >> faculty;
        cout << "Enter group:";
        cin >> group;
        cout << "Enter course: ";
        cin >> course;
        cout << "Do you study now? Y/N ";
        cin >> statusStudy;
        if (statusStudy == 'Y' || statusStudy == 'y') {
            isStudy = true;
        } else isStudy = false;
        cout << "Want to specify your ratings? Y/N ";
        cin >> status;
        if (status == 'Y' || status == 'y') {
            fiillPoint();
        }
    }
    void fiillPoint() {  // заполнение оценок
        for (int i = 0; i <= N; i++) {
            cout << "Enter your point in subject " << i + 1 << endl;
            cin >> evaluation[i];
        }
        cout << " Want to know the average ball? Y/N ";
        cin >> statusAvarang;
        if (statusStudy == 'Y' || statusStudy == 'y') {
            avarangPoint = gradePointAverage();
            cout << "Your avarenge point: " << avarangPoint << endl;
        } else cout << "GoodBye " << endl;;
    }
    float gradePointAverage() {      // средний  балл
        float temp = 0;
        for (int i = 0; i < N; ++i) {
            temp += evaluation[i];
        }
        return temp / N;
    }
    void state() {
        if (isStudy) { cout << "I am study now " << endl; }
        else { cout << "I'm don't study now :D" << endl; }
    }
};
class Sportsman : public Student {
    char status;
protected:
    string kindOfSport;
    int yearsOfSports;
public:
    void about() override {
        Student::about();
        printf("In my free time I play %s.I've been doing it for %i years already", kindOfSport.c_str(), yearsOfSports);
    }
    void fiiling() override {
        Student::fiiling();
        cout << "What sports do you do ? ";
        cin >> kindOfSport;
        cout << "How many years have you been doing it? ";
        cin >> yearsOfSports;
        cout << "do you want to train? Y/N";
        cin >> status;
        if (status == 'Y' || status == 'y') {
            training();
        } else { cout << "GoodBye " << endl; }

    }

    void training() {   // тренировка
        cout << "going to the gym......" << endl;
        cout << "I train..." << endl;
    }

};
int main() {
//
//    cout << "=======================Student================"<<endl;
//    Student student;
//    student.fiiling();
//    student.about();
    cout << endl << "=======================Sportsman================" << endl;
    Sportsman sportsman;
    sportsman.fiiling();
    sportsman.about();`введите сюда код`
    cin.get();
    cin.get();
    return 0;
}

При вызове метода about(); на любом обьекте ничего не происходит только завершаеться программа. Хотя метод fiiling(); работает корректно. В чём беда ?