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Traffic Lights

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English

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Time limit
2000 ms
Memory limit
512 MB
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0
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Statement

Traffic Lights: original English statement, page 1

Traffic Lights: original English statement, page 2

Examples

Sample input 1
1 4
4 5
B 2 16 99
P 6 32 13
P 2 87 4
P 38 96 49
1 2 4
1 3 40
2 3 75
2 4 76
3 4 77
Sample output 1
127
1 2 4

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