#include <stdio.h>

int main()

{
    float grade;

    printf("enter grade in percent value\n");
    scanf("%f", &grade);

    if   (grade >= 89.5)
        {
        printf("You have an A+\n");
        }

        else
        {
            if (grade >= 84.5)
            {
            printf("You have an A\n");
            }

            else
            {
                if (grade >= 79.5)
                {
                printf("You have an A-\n");
                }

                else
                {
                    if (grade >= 74.5)
                    {
                    printf("You have a B+\n");
                    }

                    else
                    {
                        if (grade >= 69.5)
                        {
                        printf("You have a B\n");
                        }

                        else
                        {
                        if (grade >= 64.5)
                        {
                        printf("You have a C+\n");
                        }

                            else
                            {
                            if (grade >= 59.5)
                            {
                            printf("You have a C\n");
                            }

                                else
                                {
                                if (grade >= 54.5)
                                {
                                printf("You have a D+\n");
                                }

                                    else
                                    {
                                    if (grade >= 49.5)
                                    {
                                    printf("You have a D\n");
                                    }

                                        else
                                        {
                                        if (grade >= 39.5)
                                        {
                                        printf("You have an E\n");
                                        }

                                            else
                                            {
                                            if (grade >= 0)
                                            {
                                            printf("You have an F\n");
                                            }



                                            }
                                        }
                                    }
                                }
                            }
                        }
                    }
                }
            }

        }
return 0;
}