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Program for finding the sum of digits of a five digit number

Program for finding the sum of digits of a five digit number

#include <stdio.h>
#include <conio.h>
void main()
{
 int n,o,p,q,r,s;
 char c;
 clrscr();
 repeat: s=0;
 printf("

Enter a five digit no.:-   ");
 scanf("%d",&n);
 o=n%10000;
 p=o%1000;
 q=p%100;
 r=q%10;
 s=(n/10000)+(o/1000)+(p/100)+(q/10)+r;
 printf("The sum of its digits is %d.",s);
 fflush(stdin);
 printf ("

Do you want to continue?(y/n):-  ");
 scanf("%c",&c);
 if (c=='y')
  goto repeat;
 getch();
}

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