@echo off
:::::字符2字节、整型4字节、长整型8字节、浮点4字节、double型8字节::::::::::::::
set /p b=:
:::::整型按照32位进行运算:::::::::::::::::::::::::::::::::::::::::::::::::::::
set/a a="(%b%&1)"
if %a% equ 1 (echo 奇数) else (echo 偶数)
pause