67-31 = 36
78-41 = 37
95-38 = 57
16+78 = 94
17+19 = 36
85-24 = 61
87-15 = 72
16+78 = 94
17+19 = 36
85-24 = 61
87-15 = 72
57+37 = 94
36-18 = 18
72+24 = 96
55+43 = 98
73+16 = 89
93-45 = 48
41-14 = 27
14+75 = 89
58+31 = 89
14+35 = 49
68+16 = 84
69+25 = 94
37+21 = 58
52+41 = 93
31+68 = 99