#!/bin/bash 

if [ $# -ne 2 ]; then
    echo "error, pls write 2 arguments"
    exit 1
fi

a=$1
b=$2

GCD=$(bash ./script_GCD.sh $a $b | head -n1)
 
if ! [[ "$GCD" =~ ^[0-9]+$ ]]; then
    echo "Error"
    exit 1
fi

echo $(( ($a * $b) / $GCD ))