> #include <stdio.h>
> int check(int max,unsigned long num_tmp)//筛法
> {
> 	int maxx=0;
> 	unsigned int i,sqr,j;
> 	unsigned long num=num_tmp;
> 	bool flag[65535];
> 	for(sqr=1;sqr*sqr<=num;sqr++);
> 	sqr--;
> 	for(i=0;i<=sqr;i++) flag[i]=false;
> 	for(i=2;i<=sqr&&i<=num;i++)
> 	{ 
> 		j=i;
> 		if(flag[i]==false&&num%i==0) 
> 		{
> 			j=i;
> 			while(j!=0) maxx+=j%10,j/=10;
> 			if(maxx>max) return 0;
> 			num/=i;
> 			j=i+i;
> 			i--;
> 		}
>          while(j<=sqr&&j<=num) flag[j]=true,j+=i;
> 	}
>    if(num==num_tmp) return 0;//这句话有没有都是wa，想问一下判断的数为素数时到底算不算？
>    if(num!=1)
>    {
> 	   while(num!=0) maxx+=num%10,num/=10;
>    }
>    if(maxx==max) return 1;
>    else          return 0;
> }
> void main()
> {
> 	unsigned long number,tmp,i;
> 	int  top;
> 	while(scanf("%ld",&number)!=-1&&number!=0)
> 	{
> 		if(number<0) continue;
> 		for(i=number+1;;i++)
> 		{
> 			top=0;
> 			tmp=i;
> 			while(tmp!=0) top+=tmp%10,tmp/=10;
> 			if(check(top,i)==1) break;
> 		}
> 		printf("%ld\n",i);
> 	}
> }