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

#define LF 10
#define CR 13
#define SPACE 32
#define ESC 27

main()
{
    char c;

    while ((c = getchar()) != EOF)
    {
       if (c == ESC)
       {
          c = getchar();        /* jump over the escape char */
          c = getchar();        /* jump over the escape char */
       }
       if ((c == CR) || (c == LF) || ((c >= SPACE) && (c <= 126)))
          putchar(c);
       if (c == CR || c == LF)
          putchar('\n');
     }
}