17
+
15
=
44
+
20
=
34
+
46
=
2
+
2
=
7
+
77
=
2
+
20
=
13
+
2
=
24
+
63
=
39
+
43
=
49
+
11
=
59
+
31
=
31
+
0
=
20
+
47
=
3
+
25
=
3
+
82
=
48
+
46
=
28
+
24
=
72
+
0
=
16
+
35
=
9
+
41
=