The position of the odd or even numbers

The position of the odd or even numbers in the lottery numbers:

Odd Numbers(O): such as 1,3,5,7,9

Even Numbers(E): such as 0,2,4,6,8

1: OOO

2: OOE

3: OEO

4: OEE

5: EOO

6: EOE

7: EEO

8: EEE