ооп(1)

#include <iostream>
#include <vector>
#include <string>

using namespace std;

class Student {
public:
    int grade; ///класс -- поля
    int age; ///возраст
    string name; //имя
    double score; //оценка

    void hi() {
        cout << "Привет, я " << name << ", мне " << age << " лет!\n";
    }

    int solve(int a, int b) {
        return a + b;
    }
};

int main() {
    Student vasya;
    vasya.age = 15;
    vasya.grade = 8;
    vasya.name = "Vasya";
    vasya.score = 5;
    vasya.hi();
    Student petya;
    petya.age = 12;
    petya.grade = 6;
    petya.name = "Petya";
    petya.hi();
    petya.score = 3;
    cout << petya.age << ' ' << vasya.age << '\n';

    int x = petya.solve(2, 3);
    cout << x;
    return 0;
}