#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>

#define N 9

int x = 0;
int k = 0;

int main(void)
{
	while (k<N)
	{
		int pid = fork();
		if (pid == 0)
		{
			x|=(1<<k);
		}
		k++;
	}
	char out[10];
	if(((((x%79)*12)%37)&10)!=0)
	{
		sprintf(out,"%d\n",x);
		write(1, out, strlen(out));
	}
	return 0;
}