Magic Number

C Program For Checking Number Is Magic Or Not

Source Code:

#include<stdio.h>
#include<conio.h>

void main()
{
 int n,m,s;
 clrscr();
 printf("\nEnter a number:");
 scanf("%d",&n);
 m=n;
 while(n>9)
 {
   s=0;
   while(n>0)
   {
     s=s+(n%10);
     n=n/10;
   }
  n=s;
 }
 if(n==1)
 {
  printf("%d is a magic number",m);
}
else
{
 printf("\nNot magic no.");
}
getch();
}