#!/bin/bash

for file in *
do 
  month="$(stat -c %y "$file"|cut -d\- -f2)"
  day="$(stat -c %y "$file"|cut -d\- -f3|awk '{print $1}')"
  mkdir -p ./$month/$day
  echo "Moving $file to ./$month/$day..."
  mv "$file" "./$month/$day/"
done