/* Program that prints arbitrary input in a sensible way.
   It prints non-graphic character in hexadecimal and break
   long text lines. */

#include <stdio.h>
#include <ctype.h>

#define MAXLINE 5

main()
{
	int i=0,c;
	printf(
	while((c=getchar())!=EOF)
	{
		if(iscntrl(c)||c==' ')
		{
                        if(i+2>=MAXLINE)
			{
                                printf("\n");
				i=0;
			}
                        printf("\\%2x",c);
			i+=3;
		}
		else
		{
                        if(i>=MAXLINE)
			{
                                printf("\n");
				i=0;
			}
			putchar(c);
			i++;
		}
	}
}