#include <stdio.h>
#include <string.h>
#include <stdbool.h>

bool check_access(const char *subject, const char *object, char access) {
    if (strcmp(object, "/home/report") == 0) {
        if (strcmp(subject, "alice") == 0) return (access == 'r' || access == 'w');
        if (strcmp(subject, "bob") == 0) return (access == 'r');
        return false;
    }
    if (strcmp(object, "/etc/config") == 0) {
        return (strcmp(subject, "root") == 0);
    }
    return false;
}

int main(void) {
    struct {
        const char *user;
        const char *file;
        char mode;
    } tests[] = {
        {"alice", "/home/report", 'w'},
        {"bob", "/home/report", 'w'},
        {"bob", "/home/report", 'r'},
        {"root", "/etc/config", 'r'},
        {"alice", "/etc/config", 'r'}
    };
    int n = sizeof(tests) / sizeof(tests[0]);
    for (int i = 0; i < n; i++) {
        bool ok = check_access(tests[i].user, tests[i].file, tests[i].mode);
        printf("%s %c %s -> %s\n", tests[i].user, tests[i].mode, tests[i].file, ok ? "yes" : "no");
    }
    return 0;
}