#include <cstdio>
#include <string>

class DOB {
    public:
        void set( std::string n ) {
            name = n;
        }
        void print() {
            static int i = 0;
            printf( "%d %s\n", i, name.c_str() );
            i += 1;
        }

        std::string name;
};
class T {
    public:
        DOB dob;
};

int main( int argc, char** argv ) {
    DOB a;

    a.print();
    a.set( "Harr" );
    a.print();

    T b;
    b.dob.print();
    b.dob.set( "Harr" );
    b.dob.print();
}