#include <sys/time.h>
#include <time.h>
#include <stdlib.h>
#include <stdio.h>
int main(void) {
timeval tim;
gettimeofday(&tim, NULL);
printf("%d.%06d\n",
static_cast<int>(tim.tv_sec), static_cast<int>(tim.tv_usec));
return true;
}