If two integers are both odd or both even, they are said to have the same parity; if one is odd and one even, they have different parity.

假如两个整数都是奇数或都是偶数，则它们具有相同的奇偶性；

youdao

If two integers are both odd or both even, they are said to have the same parity; if one is odd and one even, they have different parity.

假如两个整数都是奇数或都是偶数，则它们具有相同的奇偶性；

youdao