#include <stdio.h>
#define GET(x) notend=EOF!=(x=getchar())
#define PUT(x) putchar(x)
#define pf(a,b,c,d) {c=b;d=a;}
#define NEW 1
#define OLD 0
main(){
	int a,b,c,d,notend;

	GET(a);GET(b);

	while( notend ){

		 pf(a,b,c,d); p2(c,OLD); p2(d,OLD); GET(a); GET(b);

	}

	p2(a,EOF);
}

p2(c,opcode) int c,opcode; {
	static int n,m;
	static int QS=1;
	if(opcode==NEW)QS=1;
	switch(QS){case 1: goto Q1;case 2:goto Q2; case 3:goto Q3;}
	/*GET(c);*/Q1:;

	while( opcode!=EOF ){ /*line*/

        	for( m=1; opcode!=EOF && m<=10; m++ ){ /*group*/
            		for( n=1; opcode!=EOF && n<=5; n++ ){

               			 PUT(c);
				 /*GET(c)*/QS=2;return(1);Q2:;

            		}

            		PUT(' ');
        	}

        	PUT('\n');
    	}

    	QS=3;Q3:return(0);
}