#include <stdio.h>
#define GET(x) notend=EOF!=(x=getchar())
#define PUT(x) putchar(x)
main(){
	int c,notend,n,m;

	GET(c);

	while( notend ) { /*line*/

		for( m=1; notend && m<=10; m++ ) { /*group*/

			for( n=1; notend && n<=5; n++ ) { /*char*/

				PUT(c); GET(c);

			}

			PUT(' ');
		}

		PUT('\n');
	}
}