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