x
1
1
5
2
3
3
7
2
5
1
3
9
6
1
7
5
s
i
g
n
+
-
p
2
3
5
7
1
0
1
1
1
3
1
7
1
9
2
3
2
9
3
1
n
0
r
a
t
i
o
n
a
l
x
=
9
6
1
7
5
=
0
.
5
4
8
5
7
1
4
2
1
0
p
-
a
d
i
c
x
=
8
5
7
1
4
2
9
.
1
2
0
1
0
r
n
d
(
x
)
=
0
9
.
1
2
0
1
0
1
7
5
×
r
n
d
(
x
)
=
0
1
5
9
6
.
0
1
0