#include <iostream>
#include <algorithm>
#include <vector>

using namespace std;

struct properties{
    int index;    // student's index number
    string name;  // name of student
    int points;   // points of exam
   
};

 bool less_than(properties const& first, properties const& second)     
    {  
    	return first.points < second.points;    
    }  


int main()
{
	vector<properties> students;
	sort(students.begin(), students.end(), less_than);
	return 0;
	
}