Write a program to calculate of average of five numbers.

#include<stdio.h>
#include<conio.h>
main()
{
  clrscr();
       int a,b,d,c,e,sum;
       float avg;
    printf("Enter marks of english- ");
       scanf("%d",&a);
    printf("Enter marks of Bangla- ");
      scanf("%d",&b);
    printf("Enter marks of Math- ");
      scanf("d%",&c);
    printf("Enter marks o Physics- ");
      scanf("d%",&d);
    printf("Enter marks of Chemistry- ");
      scanf("d%",&e);
       sum=a+b+c+d+e;
      printf("%d",sum);
      avg=sum/5;
    printf("%f",avg);

  getch();
}