都是反骨仔 #include <stdio.h>

int main() { int score;

scanf("%d", &score);


if (score >= 90) {
    printf("Great\n");
} else if (score >= 70) {
    
    printf("Good\n");
} else if (score >= 60) {
    
    printf("Average\n");
} else {
    
    printf("Poor\n");
}

return 0;

}