Program to accept values of two numbers and print their addition with scanf

Program to accept values of two numbers and print their addition.

#include
#include
void main()
{
  int a,b,ans;
  clrscr();
  printf("Enter 1st number:");
  scanf("%d",&a);
  printf("Enter 2nd number:");
  scanf("%d",&b);
  ans=a+b;
  printf("Addition is : %d",ans);
  getch();
}