ＨＤＵ ２０１０ 水仙花数

#include<stdio.h>
#include<stdlib.h>
int n,m,a[4] = {153,370,371,407};
int main( )
{
    while( scanf( "%d%d",&n,&m ) != EOF )
    {
           int f = 0,c = 0;
           for( int i = 0; i < 4; ++i )
                if( a[i] >= n && a[i] <= m )
                {
                    f = 1;
                    printf( c++ == 0?"%d":" %d",a[i] );
                }
           if( !f )
               printf( "no" );
           puts( "" );
           }
}
// 153 370 371 407;