class
identifier GCD
{
public
static
void
identifier main
(
identifier String
[
]
identifier args
)
{
identifier GCD
identifier tmp
=
new
identifier GCD
(
)
;
int
identifier a
=
identifier System
.
identifier in
.
identifier read
(
)
;
int
identifier b
=
identifier System
.
identifier in
.
identifier read
(
)
;
identifier System
.
identifier out
.
identifier write
(
identifier tmp
.
identifier gcd
(
identifier a
,
identifier b
)
)
;
identifier System
.
identifier out
.
identifier flush
(
)
;
}
public
int
identifier gcd
(
int
identifier a
,
int
identifier b
)
{
if
(
identifier a
<=
integer literal 0
&&
identifier b
<=
integer literal 0
)
return
-
integer literal 1
;
int
identifier t
;
while
(
identifier b
!=
integer literal 0
)
{
identifier t
=
identifier a
%
identifier b
;
identifier a
=
identifier b
;
identifier b
=
identifier t
;
}
return
identifier a
;
}
}
EOF