#!/bin/bash
a=('' a b c d e f g h i j k l m n o p q r s t u v w x y z)
a+=(A B C D E F G H I J K L M N O P Q R S T U V W X Y Z)
declare -A meow

for (( i=1; i<${#a[@]}; i++ )); do
	meow[${a[$i]}]=$i
done

sum=0
while read line; do 
	len=$(echo -n "$line" | wc -c)
	c1=$(cut -c 1-$((len/2)) <<< "$line")
	c2=($(cut -c $((len/2+1))-$len <<< "$line" | sed -E 's/./& /g'))
	c3=""

	for i in ${c2[@]}; do
		[[ "$c1" == *"$i"* && "$c3" != *"$i"* ]] && sum=$((sum+${meow[$i]}))
		c3="$c3$i"
	done
done

echo $sum