//**********************************
//*  ????homework_1.cpp        *
//*  ??????1200012884        * 
//*  ?????2012?10?22?      *
//*  ???????????        *
//**********************************

int main()
{
	int m, i, j, k, jud1, jud2;	//?????????i????????????j?????k???????????????jud1?jud2
	cin >> m;						//????
	for (i = 3;i <= (m / 2);i = i + 2)
	{
		jud1 = 1;							//???
		for (j = 3;j <= sqrt(i);j = j + 2)	//???????i???
		{
			if (i % j == 0) 
			{
				jud1 = 0;
				break;
			}
		}
		if (jud1)			//??i???
	    {
			k = m - i;		//?????
			jud2 = 1;		//???
			for (j = 3;j <= sqrt(k);j = j + 2)//???????k???
			{
				if (k % j == 0) 
				{
					jud2 = 0;
					break;
				}
			}				
		if (jud2)								//???????k???
			cout << i << " " << k << endl;		//??????
		}
	}
    return 0;
}

