6
+
17
=
9
+
6
=
6
+
80
=
5
+
12
=
20
+
2
=
8
+
13
=
5
+
10
=
49
+
13
=
1
+
1
=
40
+
8
=
7
+
65
=
43
+
39
=
80
+
14
=
55
+
31
=
23
+
26
=
11
+
3
=
91
+
4
=
64
+
32
=
12
+
2
=
20
+
41
=