#include <stdlib.h>
#include <stdio.h>
#include <sys/unistd.h>


int main(int args, char* argv) {
  
  char line[257];  // 256 chars + ending zero
  char c;
  int l;

  fprintf(stderr,"--Relay PID=%d\n",getpid());

  while (1) {

    // Read line of lenght up to 256 bytes
    for (l=0; l < 256; l++) {
      c = getchar();
      if (c==EOF || c=='\n') break;
      line[l] = c;
    }
      
    if (l==0 && c==EOF) break;
    
    line[l] = 0;  // terminate string

    fprintf(stdout,"[%s]\n",line);  // Relay line in brackets
    fflush(stdout);
  }

  exit(0);
}