<s>
,	O
which	O
stands	O
for	O
Multi	O
Access	O
(	O
originally	O
Magnetic-electronic	O
Automatic	O
)	O
seat	O
Reservation	B-Application
System	I-Application
,	O
is	O
a	O
train	O
ticket	O
reservation	B-Application
system	I-Application
used	O
by	O
the	O
railway	O
companies	O
of	O
former	O
Japanese	O
National	O
Railways	O
,	O
currently	O
Japan	O
Railways	O
Group	O
(	O
JR	O
Group	O
)	O
and	O
travel	O
agencies	O
in	O
Japan	O
,	O
developed	O
jointly	O
by	O
Hitachi	O
and	O
the	O
Railway	O
Information	O
Systems	O
Co.	O
,	O
Ltd	O
(	O
JR	O
Systems	O
)	O
,	O
a	O
JR	O
Group	O
company	O
jointly	O
owned	O
by	O
the	O
seven	O
members	O
of	O
the	O
group	O
.	O
</s>
<s>
Ticket	O
offices	O
at	O
JR	O
stations	O
equipped	O
with	O
MARS	B-Application
terminals	O
are	O
called	O
,	O
selling	O
tickets	O
of	O
all	O
JR	O
Group	O
trains	O
and	O
partly	O
highway	O
buses	O
and	O
route	O
buses	O
and	O
ferries	O
.	O
</s>
<s>
Currently	O
the	O
Midori	B-Application
no	I-Application
Madoguchi	I-Application
is	O
named	O
by	O
JR	O
Group	O
excluding	O
JR	O
Central	O
.	O
</s>
<s>
The	O
MARS-1	O
system	O
was	O
created	O
by	O
Mamoru	O
Hosaka	O
,	O
Yutaka	O
Ohno	O
,	O
and	O
others	O
at	O
the	O
Japanese	O
National	O
Railways	O
 '	O
R&D	O
Institute	O
(	O
now	O
the	O
Railway	O
Technical	O
Research	O
Institute	O
)	O
,	O
and	O
was	O
built	O
in	O
1958	O
.	O
</s>
<s>
It	O
was	O
the	O
world	O
's	O
first	O
seat	O
reservation	B-Application
system	I-Application
for	O
trains	O
.	O
</s>
<s>
The	O
MARS-1	O
was	O
capable	O
of	O
reserving	O
seat	O
positions	O
,	O
and	O
was	O
controlled	O
by	O
a	O
transistor	B-Device
computer	I-Device
with	O
a	O
central	B-General_Concept
processing	I-General_Concept
unit	I-General_Concept
consisting	O
of	O
a	O
thousand	O
transistors	B-Application
.	O
</s>
<s>
The	O
latest	O
version	O
of	O
MARS	B-Application
uses	O
the	O
MARS	B-Application
501	O
system	O
which	O
was	O
introduced	O
in	O
2002	O
.	O
</s>
