Write a program to read two real num x1 and y1 and display their sum rounded off to three places.

   1:  #include<stdio.h>

   2:  #include<conio.h>

   3:  void main()

   4:  {

   5:  float x1,y1,sum;

   6:  printf("Enter Values of x1 and y1:\n");

   7:  scanf("%f%f",&x1,&y1);

   8:  sum=x1+y1;

   9:  printf("Sum=%10.3f\n",sum);

  10:  getch();

  11:  }