Program to display first 10 natural no. & their sum.

			#include<stdio.h>
			#include<conio.h>
			void main()
			{
			int i,sum=0;
			clrscr();
			for(i=1;i<=10;i++)
			{
			printf("%d no is= %d\n",i,I);
			sum=sum+i;
			}
			printf("sum =%d",sum);
			getch();
			}
Output:
1 no is=1
2 no is=2
3 no is=3
4 no is=4
5 no is=5