Write a program that take three number from user and display its sum and average

#include<iostream.h>

#include<conio.h>

void main()

{

clrscr();

int a,b,c,sum;

float avg;

cout<<"Enter the number ::";

cin>>a>>b>>c;

sum=a+b+c;

avg=sum/3;

cout<<"Sum of the 3 numbers is "<<sum<<endl;

cout<<"Average of the 3 numbers is "<<avg<<endl;

getch();

}