#!/bin/bash

if [[ $# -lt 2 ]]
then
   echo "Usage : $0 <NUM_ARG1> <NUM_ARG2>"
   exit
fi
   for((i=$1;<=$2;i++))
   do
   for ((j=$1;j<=$2;j++))
   do
       echo -n "$((i*j))"
   done
   echo -e "\n"
done
    exit
