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

int main()
{

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

    if (grade == 'A')
        printf("You have a score within a range of 90-100 point.\n");

    else if (grade == 'B')
        printf("You have a score within a range of 80-89 point.\n");

    else if (grade == 'C')
        printf("You have a score within a range of 70-79 point.\n");

    else if (grade == 'D')
        printf("You have a score within a range of 60-69 point.\n");

    else if (grade == 'E')
        printf("You have a score within a range of 50-59 point.\n");

    else if (grade == 'F')
        printf("You have a score within a range of 0-49 point.\n");

    else
        printf("Oh. Something went wrong.\n");

    return 0;
}