#include <iostream>
#include<string>
using namespace std;

Class Student{
    public:
    string name;
    
    Student(string name) {
        this->name = name;
        this->age = age;
    }
};
 void counter() {
     static int count= 0;
     count++;
     cout<<count<<endl;
 }
 int main() {
     counter();
     counter();
     counter();
 }