#include <stdio.h>
#include <stdlib.h>
int main(){
 long c=0;
 ssize_t read;
 char *line=NULL;
 size_t len=0;
 while((read=getline(&line,&len,stdin))!=-1){
  printf("Retrieved line of length %zu :\n",read);
  printf("%s", line);}
 free(line);
 return 0;}
/* int d;
 for(;;){
  d=getc(stdin);
  if(d<0)break;
  for(int e=0;e<8;e++){
   c+=d&1;
   d=d>>1;}}
 printf("%x\n",c);}*/