Grade point2

#include<stdio.h>
int main()
{
    int phy,che,bio,mat,com;
    double total;
    printf("Enter your physics number:");
    scanf("%d",&phy);
    printf("Enter your chemistry number:");
    scanf("%d",&che);
    printf("Enter your biology number:");
    scanf("%d",&bio);
    printf("Enter your math number:");
    scanf("%d",&mat);
    printf("Enter your computer number:");
    scanf("%d",&com);
    total=(phy+che+bio+mat+com)/5;
    if(total>=90)
    {
        printf("Grade 'A+'\n");
    }
    else if(total>=80)
    {
        printf("Grade 'B'\n");
    }
    else if(total>=70)
    {
        printf("Grade 'C'\n");
    }
    else if(total>=60)
    {
        printf("Grade 'D'\n");
    }
    else if(total>=40)
    {
        printf("Grade 'E'\n");
    }
    else if(total<40)
    {
        printf("Grade 'F'\n");
    }
    return 0;


}