77
+
3
=
1
+
0
=
42
+
35
=
8
+
68
=
20
+
13
=
8
+
9
=
5
+
64
=
31
+
53
=
64
+
12
=
44
+
50
=
91
+
2
=
4
+
3
=
62
+
4
=
50
+
30
=
42
+
57
=
28
+
35
=
49
+
45
=
8
+
21
=
18
+
15
=
18
+
29
=