#include <stdio.h>

int main(void) {
	// your code goes here
	char* s = NULL;
	printf("%u\n", &s);

    const char* t = "ABC";
    s = t;
    printf("%u\n", &s);
    printf("%u\n", &(s[0]));
    printf("%u\n", &(t[0]));
	return 0;
}