#include <stdio.h>
int main(void) {
    char s[6] = "hello";
    printf("%d\n", (int)s);
    printf("%d\n", (int)&s[0]);

    s[0] = 'x';
    printf("%d\n", (int)s);
    printf("%d\n", (int)&s[0]);
    return 0;
}