#! /bin/bash
if [ $# != 1 ] ; then
   echo wrong arg,please input one arg
   exit 1;
fi

if grep '^[[:digit:]]*$' <<< "$1";then
    echo "$1 is number."
else
    echo "$1 is not number."
fi

if [ $1 -eq 1 ] ; then
   echo
'
        /___/
       /
      |  #    # |
           @   |
          _|_ /
       /       ______
      / _______ ___
      |_____      __/
       |    __/
       |       |
       /
      /   ____
      |  /      |
      | |      | |
     /  |      |
     __/      __/
'
elif [ $1 -gt 1 ] ; then
echo
'
        /___/
       /
      |  #    # |
           @   |
          _|_ /
       /       ______
      / _______ ___
      |_____      __/
       |    __/
'
i=1;
while [ $i -le $1 ]
   do
    echo '       |       |'
    i=`expr $i + 1`
   done
echo '       /
      /   ____
      |  /      |
      | |      | |
     /  |      |
     __/      __/
'
else
   echo wrong number,please input the right one
   exit 1;
fi