input:

71 1487
H 20 68
D 22 52
H 39 55
V 8 58
V 56 61
V 1 30
V 3 11
V 40 49
H 4 24
H 27 68
H 28 36
R 7 30
V 4 42
V 9 24
D 7 15
R 2 31
V 29 51
R 9 11
V 69 69
R 65 70
H 2 56
V 21 22
D 23 35
H 23 47
D 59 60
D 16 50
V 3 26
V 64 70
H 28 31
R 24 25
H 4 70
D 1 42
D 39 39
D 11 33
V 16 68
H 53 71
V 2 71
H 26 47
H 5...

output:

-2
4
12
31
48
61
72
83
98
86
77
65
47
32
11
-13
-25
-23
-40
-54
-73
-86
-85
-89
-90
-95
-99
-101
-83
-61
-48
-30
-23
-18
-20
-12
10
21
35
50
60
78
96
103
104
103
101
80
65
63
52
53
42
37
28
22
14
19
14
6
6
7
15
10
0
-9
-10
-4
3
-5
2

result:

wrong answer 4th lines differ - expected: '30', found: '31'