#include<stdio.h>
main() {
int score;
printf("점수 입력 : ");
scanf("%d", &score);
switch (score / 10) {
case 10:
printf("훌륭합니다\n");
break;
case 9:
printf("잘했어\n");
break;
case 8:
printf("수고했어\n");
break;
case 7:
printf("다음번엔 잘하자\n");
break;
case 6:
printf("열심히 공부해야겠네\n");
break;
default:
printf("낙제야\n");
}
return 0;
}