#include <iostream>
using namespace std;

class Stud
{
public:
    int roll;
    void show()
    {
        cout << "Roll: " << roll << endl;
    }
};

int main()
{
    Stud s[3];
    for (int i = 0; i < 3; i++)
    {
        s[i].roll = i + 1;
        s[i].show();
    }
    return 0;
}