3
+
4
=
77
+
20
=
3
+
10
=
4
+
28
=
43
+
41
=
37
+
33
=
53
+
8
=
17
+
44
=
12
+
19
=
9
+
5
=
62
+
14
=
18
+
3
=
11
+
38
=
15
+
1
=
2
+
0
=
35
+
36
=
2
+
29
=
18
+
81
=
10
+
49
=
44
+
39
=