franky_1984

@echo off
setlocal enabledelayedexpansion
for /l %%i in (1,1,100) do (
    set a=%%i
    set /a b=!a!%%10
    set /a c=!a!/10%%10
    if not b==5 if not c==5 md %%i
    if b==5 if c==5 set /a j=!a!+11 & md !j!m
    if not b==5 if c==5 set /a k=!a!+10 & md !k!m
    if b==5 if not c==5 set /a l=!a!+1 & md !l!m
    )
pause>nul