13
+
28
=
77
+
1
=
16
+
0
=
1
+
48
=
13
+
62
=
4
+
83
=
8
+
57
=
4
+
59
=
79
+
12
=
2
+
4
=
65
+
34
=
25
+
53
=
3
+
31
=
61
+
28
=
55
+
31
=
8
+
19
=
15
+
40
=
11
+
37
=
12
+
29
=
22
+
40
=