#include<iostream.h>
#include<stdio.h>
#include<iomanip.h>
#include<string>
struct person
{
	char name[10];
	float english;
	float math;
	float art;
	float average;
};
void main()
{
	cout<<"the sign of ending is 'over'"<<endl;
	char kname[10];	
	int i=0;
	float mark;
	person *student=new person[100];
	cout<<"input the name"<<endl;
	cin>>student[i].name;
	cout<<"input 3 mark"<<endl;
	cin>>student[i].english;
	cin>>student[i].math;
	cin>>student[i].art;
	student[i].average=(student[i].english+student[i].math+student[i].art)/3;
    while(strcmp(student[i].name,"over")!=0)
	{
		i++;
		cout<<"input the name"<<endl;
	    cin>>student[i].name;
		if(strcmp(student[i].name,"over")==0)continue;
		cout<<"input 3 mark"<<endl;
		cin>>student[i].english;
		cin>>student[i].math;
		cin>>student[i].art;
	    student[i].average=(student[i].math+student[i].english+student[i].art)/3;
		
	}
	i--;
	for(int k=1;k<i;k++)
	{int work=1;
	  for(int j=0;j<i-k;j++)
		if(student[j].average<student[j+1].average)
		{
			mark=student[j].average;
		    student[j].average=student[j+1].average;
			student[j+1].average=mark;

			strcpy(kname,student[j].name) ;
			strcpy(student[j].name,student[j+1].name);
			strcpy(student[j+1].name,kname);
			work=0;

		}
		if(work)break;
	}
	cout<<"name"<<setw(10)<<"average"<<endl;
	for(k=0;k<=i;k++)
	{
		cout<<student[k].name<<setw(10)<<student[k].average<<endl;
	}
	delete []student;
	
}