#include <stdio.h>
void main( void ) { int i, j, k;
for ( i=0; i < 8; i++ ) for ( j=0; j < 3; j++ ) { for ( k=0; k < 8; k++ ) if ( ( k%2 ^ i%2 ) == 0 ) printf( " " ); else printf( "#####" ); printf( "\n" ); }}