#include <string.h>
#include <unistd.h>
int main() {
  const char *text = "Podaj swoje imię: ";
  write(STDOUT_FILENO, text, strlen(text));
  #define BUFFSIZE 256
  char buffer[BUFFSIZE];
  int nameLength;
  nameLength = read(STDIN_FILENO, buffer, BUFFSIZE);
  text = "Witaj ";
  write(STDOUT_FILENO, text, strlen(text));
  write(STDOUT_FILENO, buffer, nameLength);
  return 0;
}