#!/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 l1; do
	read l2
	read l3
	_l1=($(sed 's/./& /g' <<< "$l1"))

	for i in ${_l1[@]}; do
		if [[ "$l2" == *"$i"* && "$l3" == *"$i"* ]]; then
			sum=$((sum+${meow[$i]}))
			break
		fi
	done
done

echo $sum