n terms of natural

/*Exercise-4:
a) write a program in C to display the n terms of even natural number and their sum.
*/
#include <stdio.h>
void main()
{
 int i,n,sum=0;
 printf("Input number of terms : ");
 scanf("%d",&n);
 printf("\nThe even numbers are :");
 for(i=1;i<=n;i++)
 {
 printf("%d ",2*i);
 sum+=2*i;
 }
 printf("\nThe Sum of even Natural Number upto %d terms : %d \n",n,sum);
}