#include <fcntl.h>
#include <unistd.h>
int main(int argc, char **argv) {
  for (int i = 1; i < argc; ++i) {
    int fd = open(argv[i], O_RDONLY);
    while (1) {
      char buf[256];
      int cnt = read(fd, buf, 256);
      if (cnt <= 0)
        break;
      write(1, buf, cnt);
    }
    close(fd);
  }
  return 0;
}