15
+
16
=
1
+
1
=
12
+
8
=
1
+
0
=
57
+
4
=
57
+
1
=
33
+
1
=
1
+
38
=
3
+
3
=
59
+
5
=
38
+
11
=
9
+
28
=
53
+
43
=
42
+
23
=
35
+
18
=
59
+
17
=
29
+
18
=
21
+
4
=
7
+
59
=
20
+
50
=