#!/usr/bin/env bash


function lowi() {
  low=${#1}
  i=0
  li=0
  shift
  
  for l in "$@"; do
    let i++
    if [ ${#l} -lt $low ]; then
      li=$i
      low=${#l}
    fi
  done

  echo $li
}

declare -A P

p=0

for i in {a..z} {A..Z}; do
  let p++
  P[$i]=$p
done


sum=0

while read a; read b; read c; do
  bags=( $a $b $c )
  
  li=$(lowi $a $b $c)

  x=${bags[li]}
  y=${bags[$(( (li + 1) % 3 ))]}
  z=${bags[$(( (li + 2) % 3 ))]}
  c1=''

  for i in `seq 0 $(( ${#bags[$li]} - 1 ))`; do
    if [[ $y == *${x:$i:1}* ]]; then
      c1="${c1}${x:$i:1}"
    fi
  done

  for i in `seq 0 $(( ${#c1} - 1 ))`; do
    if [[ $z == *${c1:$i:1}* ]]; then
      c=${c1:$i:1}
      break
    fi
  done

  let sum+=P[$c]
  c=''
  
done

echo $sum