import sys, os
import sympy

command = sys.argv[1]
args = []

iteration = -1
for x in sys.argv:
    iteration = iteration + 1
    if iteration == 0:
        continue
    elif iteration == 1:
        command = x
    else:
        args.append(x)

try:
    result = getattr(sympy, command)(*args)
    sys.stdout.write(str(result))
    sys.exit(os.EX_OK)
except Exception, e:
    sys.stderr.write(repr(e))
    sys.exit(os.EX_SOFTWARE)