Standard input is empty

1 2 1
2 3 2
3 4 3
4 5 4
5 6 5
6 7 6
7 8 7
8 9 8
9 10 9
10 20 10
11 30 11
12 40 12
13 50 13
14 60 14
15 70 15
16 80 16
17 90 17
18 100 18
19 200 19
20 300 20
21 400 21
22 500 22
23 600 23
24 700 24
25 800 25
26 900 26
27 1000 27
28 2000 28
29 3000 29
30 4000 30
31 5000 31
32 6000 32
33 7000 33
34 8000 34
35 9000 35
36 10000 36
37 20000 37
38 30000 38
39 40000 39
40 50000 40
41 60000 41
42 70000 42
43 80000 43
44 90000 44
45 100000 45
46 200000 46
47 300000 47
48 400000 48
49 500000 49
50 600000 50
51 700000 51
52 800000 52
53 900000 53
54 1000000 54
55 2000000 55
56 3000000 56
57 4000000 57
58 5000000 58
59 6000000 59
60 7000000 60
61 8000000 61
62 9000000 62
63 10000000 63
64 20000000 64
65 30000000 65
66 40000000 66
67 50000000 67
68 60000000 68
69 70000000 69
70 80000000 70
71 90000000 71
72 100000000 72
73 200000000 73
74 300000000 74
75 400000000 75
76 500000000 76
77 600000000 77
78 700000000 78
79 800000000 79
80 900000000 80
81 1000000000 81
82 2000000000 82
83 3000000000 83
84 4000000000 84
85 5000000000 85
86 6000000000 86
87 7000000000 87
88 8000000000 88
89 9000000000 89
90 10000000000 90
91 20000000000 91
92 30000000000 92
93 40000000000 93
94 50000000000 94
95 60000000000 95
96 70000000000 96
97 80000000000 97
98 90000000000 98
99 100000000000 99