3
+
10
=
20
+
35
=
3
+
9
=
1
+
2
=
11
+
7
=
54
+
8
=
8
+
80
=
1
+
49
=
27
+
15
=
43
+
4
=
50
+
5
=
8
+
0
=
11
+
16
=
11
+
77
=
13
+
16
=
36
+
32
=
24
+
10
=
3
+
64
=
22
+
41
=
55
+
25
=