7
+
28
=
30
+
31
=
9
+
1
=
9
+
20
=
19
+
23
=
35
+
49
=
8
+
1
=
78
+
12
=
8
+
22
=
61
+
12
=
20
+
2
=
52
+
36
=
66
+
16
=
3
+
5
=
62
+
25
=
29
+
39
=
15
+
71
=
65
+
34
=
44
+
24
=
2
+
0
=