SumuduF

import sys

def main():
  for (i, (n, a)) in enumerate(testcases()):
    print "Case #{0}: {1}".format(i+1, regions(n, a))

def testcases(cin=sys.stdin):
  nc = int(cin.next())
  for _ in xrange(nc):
    nums = map(int, cin.next().split())

SumuduF

import sys

MOD = 1000000007

def main():
  for (i, (n, k, cards)) in enumerate(testcases()):
    print "Case #{0}: {1}".format(i+1, subsum(n, k, cards))

def testcases(cin=sys.stdin):
  m = int(cin.next())