다음 C 프로그램의 실행 결과를 쓰시오.

#include <stdio.h>
#include <stdlib.h>

struct Node {
    char value;
    struct Node *next;
};

struct Node *make_list(const char *text) {
    struct Node *head = NULL;

    while (*text) {
        struct Node *node = malloc(sizeof(struct Node));
        node->value = *text++;
        node->next = head;
        head = node;
    }
    return head;
}

int main(void) {
    struct Node *current = make_list("BEST");

    while (current) {
        putchar(current->value);
        struct Node *old = current;
        current = current->next;
        free(old);
    }
    return 0;
}