23
+
77
=
10
+
56
=
41
+
34
=
55
+
21
=
15
+
55
=
17
+
77
=
1
+
0
=
34
+
27
=
7
+
17
=
10
+
6
=
7
+
6
=
19
+
43
=
51
+
12
=
6
+
19
=
50
+
46
=
29
+
8
=
5
+
10
=
22
+
1
=
5
+
0
=
2
+
27
=