import sys
def parse_input(file_name):
f = open(file_name, “r”)
vals = [int(val) for val in f.readline().strip().split()]
f.close()
return vals
def maximum_total_retail_value(vals):
# TODO: Implement this function!
pass
log_vals = parse_input(sys.argv[1])
print(maximum_total_retail_value(log_vals))