Grade

#include<stdio.h>

int main ()
{
    int marks;
    char grade;
    scanf("%d", &marks);

    if(marks >= 80){
        grade = 'A+';
        printf("Your grade is %c\n", grade);
    }
    else if(marks >= 70){
        grade = 'A';
        printf("Your grade is %c\n", grade);
    }
    else if(marks >= 60){
        grade = 'B';
        printf("Your grade is %c\n", grade);
    }
    else if(marks >= 50){
        grade = 'c';
        printf("Your grade is %c\n", grade);
    }
    else if(marks >= 40){
        grade = 'D';
        printf("Your grade is %c\n", grade);
    }
    else{
        printf("Your grade is F");
    }
    return 0;
}