21
+
30
=
43
+
19
=
56
+
27
=
20
+
47
=
7
+
27
=
26
+
51
=
32
+
36
=
34
+
24
=
2
+
1
=
14
+
72
=
10
+
12
=
32
+
18
=
49
+
35
=
84
+
10
=
10
+
55
=
84
+
3
=
6
+
0
=
49
+
39
=
32
+
54
=
44
+
19
=