C program to display the n terms of natural number and their sum

#include <stdio.h>

#include<conio.h>

main()

{

   int i,n,sum=0;

   printf("Enter how many terms : ");

   scanf("%d",&n);

   printf("\nThe first %d natural numbers are:\n",n);

   for(i=1;i<=n;i++)

   {

     printf("%d ",i);

     sum+=i;

   }

   printf("\nThe Sum of natural numbers upto %d terms : %d \n",n,sum);

getch();

}