// Goal - remove any "non-printable" characters from a text file
//  So read every character, if it is > 127 then don't print it.
#include <stdio.h>
#include <stdlib.h>

int main(int argc, char *argv[]) {

  int ch;
  while ((ch = fgetc(stdin)) != EOF) {
    if (ch <= 127) printf("%c", ch);
  }
  
  return 0;
}