#! /bin/sh

if [ $# -lt 2 ]
then
    echo "Usage: $0 <file> n1 n2 ..."
    exit 1
fi


s=0
nr=0


if [ -f $1 ]
then
while read line
do
     rez=`echo $line | grep -Eo '[0-9]+'`
    if ! [ -z "$rez" ]
    then
        nr=$rez
        break
    fi
done < $1

echo "$nr"


if [ $nr -eq 0 ]
then
    echo "Number not found"
else

for i in "${@:2}"
do
    if [ $(($i % $nr)) -eq 0 ]
    then
    s=$(($s + ${#i}))
    fi
done
fi

else
 echo "$1 is not a regular file"
    exit 1
fi

echo "$s"