#include <iostream>
//address gathering from a pointer
int main() {
int a = 9;
int * b = &a;
std::cout << *b << std::endl;
//9
int * c = b;
std::cout << *b << std::endl;
//9
a += 1;
std::cout << *b << std::endl;
//10
std::cout << *c << std::endl;
//10
}