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

int main()
{

    char grade;
    printf("Enter your grade (A-F): ");
    scanf("%c", &grade);

    switch (grade)
    {
    case 'A':
        printf("Grade between 90-100\n");
        break;
    case 'B':
        printf("Grade between 80-89\n");
        break;
    case 'C':
        printf("Grade between 70-79\n");
        break;
    case 'D':
        printf("Grade between 60-69\n");
        break;
    case 'E':
        printf("Grade between 50-59\n");
        break;
    case 'F':
        printf("Grade between 0-49\n");
        break;
    default:
        printf("ERROR.. Try Again! \n");
        break;
    }

    return 0;
}