package
USCLN;
import
java.util.Scanner;
public class
USCLN {
public static void
main(String[] args) {
int
a
,
b
;
Scanner
nhap
=
new
Scanner (System.
in
);
System.
out
.println(
"Nhap so thu nhat: "
);
a
=
nhap
.nextInt();
System.
out
.println(
"Nhap so thu hai: "
);
b
=
nhap
.nextInt();
if
(
a
< 0)
a = -a;
if
(
b
< 0)
b = -b;
if
(
a
== 0 &&
b
== 0)
System.
out
.println(
"Khong co uoc so chung lon nhat"
);
else
{
while
(
a
!= 0 &&
b
!= 0)
{
if(
a
>
b
)
a
=
a
%
b
;
else
b
=
b
%
a
;
}
if (
a
== 0)
System.
out
.println(
b
);
//b la USCLN.
else
System.
out
.println(
a
);
//a la USCLN.
}
}
}
