import logging

from functools import reduce

def str2num(s):
    if isinstance(s,int):
        return int(s)
    else:
        return float(s)

def calc(exp):
    ss = exp.split('+')
    ns = map(str2num, ss)
    return reduce(lambda acc, x: acc + x, ns)

def main():
    try:
        r = calc('100 + 200 + 345')
        print('100 + 200 + 345 =', r)
        r = calc('99 + 88 + 7.6')
        print('99 + 88 + 7.6 =', r)
    except Exception as e:
        logging.exception(e)


main()
print('END')