#include<iostream>
#include"string"
using namespace std;
class student
{
 static int number;
 string name;
public:
 void set(string str)
 {
  
  name = str;
  number++;
 }
 void print()
 {
  
  cout << name << "-> student are" << number << "  numberd\n" << endl;
 }
 static int printnumber()
 {
  cout << number << " total number" << endl;
  return 0;
 }
};

int student::number=0; //

void fn()
{
 student s1,s2;
 s1.set("jerry");
 s2.set("randy");
 s1.printnumber();

}
int main()
{
 student s;
 s.set("smith");
 fn();
 s.print();
 student::printnumber();
 system("pause");
 return 0;
}