#!/bin/bash

ct=0 dt=0
while IFS=$'\n:- ' read lo hi char str; do
    # part 1
    new=${str//$char/}
    diff=$((${#str} - ${#new}))
    ((lo <= diff && diff <= hi)) && ((ct++))
    # part 2
    chars=${str:lo-1:1}${str:hi-1:1}
    xor=${chars//$char/}
    ((${#xor} == 1)) && ((dt++))
done

printf %s\\n $ct $dt