DWITE Contest

Test Case for Question #1 in DWITE 2011-2012 High School Round 4

Contest: DWITE 2011-2012 High School Round 4
Question: #1
Input File: DATA1.txt
Output File: OUT1.txt


Input

15 16
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16 15
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99 9
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61 96
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98 93
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Output

14 15
37 45
117 95
585 592
946 947