/*********************************************************************
  addline.c :	v1.00				programed by T.Shimomura
*********************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>

#define LineSize	256

#define MinNUM		10000
#define MaxNUM		65529		/* F-BASIC リファレンス参照 */
#define GAP			10
#define	TAB			4

#define ErrNUM		-1

/*********************************************************************
* main function
*********************************************************************/
int main(void)
{
	int ret = 0;
	char line[LineSize];
	long int line_num = MinNUM;
	
	while (fgets(line, LineSize, stdin)) {
		
		fprintf(stdout, "%5ld %s", line_num, line);
		
		if ((line_num += GAP) > MaxNUM)
			ret = ErrNUM; /* 行番号が大きすぎる */
	}
	
	return (ret);
}