if [ $# -eq 0 ]; then
    echo "Please provide # of instances"
    exit 1
fi
INSTANCE_NUM=$1
echo "Creating $INSTANCE_NUM instances at 8 regions"
python create_instances.py --regions 1,2,3,4,5,6,7,8 --instances $INSTANCE_NUM,$INSTANCE_NUM,$INSTANCE_NUM,$INSTANCE_NUM,$INSTANCE_NUM,$INSTANCE_NUM,$INSTANCE_NUM,$INSTANCE_NUM