#include <stdio.h>

#define MAXLINE 1000 /* max input line size */

char line[MAXLINE]; /*current input line*/

int getline(void);  /* taken from the KnR book. */


int
main()
{
  int t,len;
  int location,spaceholder;
  const int FOLDLENGTH=70; /* The max length of a line */

  while (( len = getline()) > 0
 
 )
    {
      if( len < FOLDLENGTH )
        {
        }
      else
        {
        /* if this is an extra long line then we 
        ** loop through it replacing a space nearest
        ** to the foldarea with a newline.
        */
          t = 0;
          location = 0;
          while(t<len)
            {
              if
 
(line[t] == ' ')
               spaceholder = t;

              if(location==FOLDLENGTH)
               {
                 line[spaceholder] = '\n';
                 location = 0;
               }
              location++;
              t++;
            }
        }
      printf ( "%s", line);
    }
  return
 
 0;
}


/* getline: specialized version */
int getline(void)
{
  int c, i;
  extern char line[];

  for ( i=0;i<MAXLINE-1 && ( c=getchar()) != EOF && c != '\n'; ++i)
    line[i] = c;
  if(c == '\n') 
    {
      line[i] = c;
      ++i;
    }
  line[i] = '\0';
  return i;

}