#include <iostream>
using namespace std;

class pune{
    public:
    int var=10;
    void printing(int var){
        this->var=var;
        var=90;
        cout<<endl;
        cout<<var;
    }
};

int main() {
    
    pune p;
    
    cout<<p.var;
    
    p.printing(2);

    return 0;
}