#include<iostream>
using namespace std;
 
 
void main()
{
	char s[1000];
	cin.getline(s, 1000);
	cout << s << endl;

	char* p = s;

	while(*p != '\0')
	{
		cout << *p;
		p++; //walking the pointer
	}
	cout << endl;

	p = s + strlen(s) - 1;
	while(p != s)
	{
		cout << *p;
		p--; //walking the pointer
	}
	cout << *p << endl;
    
	cout << "------------------" << endl;
	cout << p << endl;

	int a[100] = {1,2,3};
	cout << a << endl;
	cout << *a << endl;

	int* p2 = a;
	cout << p2[1] << endl;
	cout << *(p2 + 1) << endl;

	int x = 9;
	p2 = &x; // & - the address of the next variable
	cout << p2 << endl;
	cout << *p2 << endl;
	cout << &*&x << endl;

}