2992
1234
0

2992 is a Sky Number.
1234 is not a Sky Number.      



                                                                                                         
#include<stdio.h>
int main()
{
	int n;
	int g,s,b,q,sk=0;
	int se[4],i,ak,m;
	int sl[4],j,bk,l;
	while(scanf(\"%d\",&n)!=EOF && n!=0)
	{
	/*************十进制**************/
		
		q=n/1000;
		b=n%1000/100;
		s=n%1000%100/10;
		g=n%1000%100%10;
		sk=q+b+s+g;

	/************十二进制*************/

		ak=0;	m=n;
		for(i=0;m!=0;i++)
		{
			se[i]=m%12;
			m=m/12;
		}
		for(;i!=0;i--)
			ak+=se[i-1];

	/************十六进制**************/

		bk=0;	l=n;
		for(j=0;l!=0;j++)
		{
			sl[j]=l%16;
			l=l/16;
		}
		for(;j!=0;j--)
			bk+=sl[j-1];

	/************判断Sky***************/

		if(bk==ak && ak==sk)
			printf(\"%d is a Sky Number.\\n\",n);
		else
			printf(\"%d is not a Sky Number.\\n\",n);
	}
	return 0;
}