=
1
1
=
=
1
+
1
1
1
+
1
1
=
=
1
1
=
=
1
+
1
1
1
+
1
1
=
Yes
Yes
No
No
=
1
1
=
=
1
+
1
1
1
+
1
1
=
Yes
No
=
1
1
=
=
1
+
1
1
1
+
1
1
=
Yes
No
