CrLf

@echo off & setlocal enableDelayedExpansion
set str=,
for /l %%i in () do (
	set /p n=请输入数值
	for /f %%a in (",!n!,") do if "!str:%%a=!"=="!str!" (
		set str=,!n!!str!
		set /a m+=1
	) else echo 已存在!n!
	if !m! gtr 200 for %%a in (!str!) do echo %%a
)
pause
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