#include <iostream>
using namespace std;
class Student
 {public:
   Student(int n,float s):num(n),score(s){}
   void display();
  private:
   int num;
   float score;
 };

void Student::display()
 {cout<<num<<" "<<score<<endl;}
 
int main()
{Student stud[5]={
  Student(101,78.5),Student(102,85.5),Student(103,98.5),
  Student(104,100.0),Student(105,95.5)};
 Student *p=stud;
 for(int i=0;i<=2;p=p+2,i++)
  p->display();
 return 0;
 }