int main()
{
	int m,i,j,a,b,c;
	scanf("%d",&m);
	for(i=3;i<=(m/2);i+=2)
	{
		a=i;
		for(j=2;j<a;j++)
		{
			b=a%j;
			if(b==0)
				break;
		}
		if(b==0)
			continue;
		c=m-a;
		for(j=2;j<c;j++)
		{
			b=c%j;
			if(b==0)
				break;
		}
		if(b!=0)
			printf("%d %d\n",a,c);
	}
	return 0;
}

