#include<iostream>
#include "student.cpp"
using namespace std;

int main() {
    Student s1;  /// constructor 1 called
    
    Student s2(100);   /// constructor 2 called
    
    Student s3(10,100);  /// constructor 3 called
    
    Student s4(s3);  /// copy constructor called
    
      s1 = s2;    /// copy assignment operator called
      
      Student s5 = s3;   /// copy constructor is called
   return 0;
}