1.2.3

#include <iostream>
using namespace std;
class Student {
public: long n, k=0;
    void zn() {
        cout << "n = " <<n <<endl;
    }
    void kolvo() {
        while (n > 0) {
            k++;
            n = n / 10;
        }
        cout << "N = " << k;
    }
};
int main()
{
    Student abc;
    int x;
    cin >> x;
    abc.n = x;
    abc.zn();
    abc.kolvo();
}