#include <stdio.h>
int main()
{
int outcome;
char grades;
printf("결과 점수를 입력하세요:(0-100): ");
scanf("%d", &outcome);
if(outcome >= 90){
grades = 'A';
}
else if(outcome >= 80){
grades = 'B';
}
else if(outcome >= 70){
grades = 'C';
}
else if(outcome >= 60){
grades = 'D';
}
else{
grades = 'F';
}
printf("학점은: %c \n", grades);
return 0;
}