using namespace std;
int n, n1, n2, cif, ninv;
int main()
{
cin >> n;
while(n)
{
ninv = ninv * 10 + n % 10;
n = n / 10;
}
n = ninv;
while(n)
{
cif = n % 10;
if(cif % 2 == 1) n1 = n1 * 10 + cif;
else n2 = n2 * 10 + cif;
n = n / 10;
}
cout << n1 << " " << n2;
return 0;
}