23dfcca431 2011-02-23        kinaba: import sys
23dfcca431 2011-02-23        kinaba: 
23dfcca431 2011-02-23        kinaba: CN = int(sys.stdin.next())
23dfcca431 2011-02-23        kinaba: for C in range(1, CN+1):
23dfcca431 2011-02-23        kinaba: 	print "Case #%d:"%(C),
23dfcca431 2011-02-23        kinaba: 	N = int(sys.stdin.next())
23dfcca431 2011-02-23        kinaba: 	M = int(sys.stdin.next())
23dfcca431 2011-02-23        kinaba: 	for i in range(0, M):
23dfcca431 2011-02-23        kinaba: 		a = map(int, sys.stdin.next().split(" "))
23dfcca431 2011-02-23        kinaba: 		print a
23dfcca431 2011-02-23        kinaba: 	print N, M