30
+
47
=
2
+
1
=
25
+
0
=
31
+
28
=
14
+
18
=
9
+
73
=
7
+
91
=
6
+
12
=
46
+
39
=
40
+
25
=
31
+
46
=
25
+
6
=
26
+
22
=
33
+
31
=
10
+
41
=
12
+
38
=
26
+
47
=
52
+
5
=
72
+
20
=
8
+
30
=