import sys

#
#  Get the filename and open it
#

if (len(sys.argv) == 2):
  filename = sys.argv[1] # raw_input("Enter the name of the file: ")
elif (len(sys.argv) == 1):
  filename = raw_input("Enter the name of the file: ")
else:
  print "You should only provide one filename"
  sys.exit(-1)

inf = open(filename, "r")

#
# read each number (one per line) and sum them
#
total = 0
line = inf.readline()
while (line != ""):
  num = int(line)
  total = total + num
  line = inf.readline()

inf.close()
print "The total of all the numbers in",filename,"is",total