#include <stdio.h>
#include <time.h>

int main (int argc, char *argv[]) {
  time_t now = time(NULL);
  struct tm *nowdata = localtime(&now);

  printf("%d%02d%02d%02d",
      nowdata->tm_year+1900,
      nowdata->tm_mon + 1,
      nowdata->tm_mday,
      nowdata->tm_hour );

  return 0;
}