natural numbers

How to add natural numbers upto 10.

#include<stdio.h>

#include<conio.h>

void main()

{

                int i=1,sum=0;

                clrscr();

                for(i=1;i<=10;i++)            

{

                Sum=sum+I;

}

printf(“Sum of 10 natutral numbers  is : %d”,sum);

               

                getch();

}