grade

#include<stdio.h>

int main ()

{
    int phy, chem, math, bio, comp;

    float percentage;

    printf("Enter five subjects marks: ");
    scanf("%d %d %d %d %d", &phy, &chem, &math, &bio, &comp);

    percentage = (phy+chem+math+bio+comp) / 5.0;

    printf("Percentage = %.2f\n",percentage);

    if(percentage>=90){
        printf("Grade: A");
    }
    else if(percentage>=80){
        printf("Grade: B");
    }
    else if(percentage>=70){
        printf("Grade: C");
    }
    else if(percentage>=60){
        printf("Grade: D");
    }
    else if(percentage>=40){
        printf("Grade: E");
    }
    else if(percentage<40){
        printf("Grade: F");
    }

    return 0;
}