program to print sum of given digits by user

80./*Write a program to print sum of given digits by user.*/

#include<stdio.h>

#include<conio.h>

void main()

{

            int n, p=0,s,x=1,ct=0,sum=0;

            clrscr();

            printf("Enter The Number:");

            scanf("%d",&n);

            while(ct<n)

            {

            p=0;

            s=x;

            while(s>0)

            {

            p=(p*10)+(s%10);

            s=s/10;

            }

            if(x==p)

            {

            sum=sum+x;

            ct++;

            }

            x++;

            }

            printf("sum is: %d",sum);

            getch();

}

OUTPUT

            Enter The Number : 6

            Sum is : 21