# include<stdio.h>
int main()
{
int a,b,c;
printf("enter a number 1 :");
scanf ("%d",&a);
printf(" enter a number 2 :");
scanf("%d",&b);
printf(" enter a number 3 :");
scanf("%d",&c);
float d = a+b+c/3;
printf ("the average of the given number is :%f ",d);
}