avarege of given 3 numbers.c

#include<stdio.h>
int main()
{
    int a,b,c,sum;
    float d;
    
    printf("Please enter 3 numbers : ");
    scanf("%d%d%d",&a,&b,&c);
    
    sum=a+b+c;
    
    d=((a+b+c)/3);
    
    printf("\nSum is %d",sum);
    
    printf("\nAverage is %f",d);
    
    return 0;
}