#include <stdio.h>
int main() {
    int a = 10;
    int *ptr;
    ptr=&a;
    printf("Value: %d\n",a);
    printf("Address: %d\n",a);
    printf("Valueof ptr: %d\n",ptr);
    printf("Value pointed by ptr: %d\n",*ptr);
    
return 0;
}