Problem -3

#include<stdio.h>
void main()
{
    int a,b,c,d,e, average;
    printf("Enter your marks of a, b, c, d, e: ");
    scanf("%d %d %d %d %d",&a,&b,&c,&d,&e);

    average = (a+b+c+d+e)/5;

    if(average >= 80)
    {
        printf("A");
    }
    else if(average >= 70)
    {
        printf("B");
    }
    else if(average >= 60)
    {
        printf("C");
    }
    else{
        printf("F");
    }
}