> #include <stdio.h>
> int main()
> {    unsigned long X,Y,x1,x2,y=1;
> 	 int l,i,j,n=0;
>      unsigned long a[20];
> 	scanf("%d",&l);
>     for(i=0;i<l;i++)
> 	  scanf("%d",&a[i]);
> 	for(i=0;i<l;i++)
>     {
> 	  if(a[i]!=0)
> 	  {
>         Y=a[i];
> 		X=a[i];
> 	    while(X%2==0)
> 		{
> 		  X=X/2;
> 		  n++;
> 		}
> 	    for(j=0;j<n;j++)
> 		 y=y*2;
> 	     y=y-1;
> 		 x1=Y-y;
> 		 x2=Y+y;
> 		 if(x1>=1&&x2>=2)
> 		 printf("%d %d\n",x1,x2);
> 		 n=0;    
> 		 y=1;
> 	  }
>     }
>    
> 	return 0;
> }