#!/usr/bin/python
# coding=utf8
from getopt import getopt, GetoptError
import sys

def main():
    try:
        opts, args = getopt(sys.argv[1:], 'hn:', ['help', 'name='])
    except GetoptError:
        print 'Parameterezesi hiba'
        sys.exit(1)
    
    name = ''
    
    for opt, arg in opts:
        if opt in ('-h', '--help'):
            print 'usage: %s --name=NAME' % sys.argv[0]
            sys.exit(0)
        elif opt in ('-n', '--name'):
            name = arg
    
    if not name:
        print 'Add meg a nevet!'
        sys.exit(2)
    
    print 'Hello, ' + name + '!'

if __name__ == '__main__':
    main()