#include <stdio.h>
int main(){
int price = 219;
int vat = 7;
int *x; //declare => pointer variable
int **y; //declare => pointer variable to pointer variable
printf("Price value: %d\n", price); //value of price
printf("&Price Address: %p\n", &price); // memory address of price
printf("*(&price) Value of Price Address: %d\n", *(&price)); //value storing in the price address
printf("---------------------------\n");
x = &price; //x pointer value = address of price
printf("*x pointer value: %d\n", *x);//pointer value giving from &price (%d)
printf("x pointer address: %p\n", x);//pointer address giving from &price (%p)
printf("&x Address: %p\n", &x); //Real address of x
printf("---------------------------\n");
y = &x; //y pointer value = address of x
printf("**y pointer value: %d\n", **y); //pointer value giving from pointer &x (%d)
printf("y pointer address: %p\n", y); //pointer address giving from pointer &x (%p)
printf("&y address: %p\n", &y); //Real address of y
return 0;
}

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