Inglish-Number Translator

Time Limit: 1 Second    Memory Limit: 32768 KB

In this problem, you will be given one or more integers in English. Your task is to translate these numbers into their integer representation. The numbers can range from negative 999,999,999 to positive 999,999,999. The following is an exhaustive list of English words that your program must account for:

 negative, zero, one, two, three, four, five, six, seven, eight,
 nine, ten, eleven, twelve, thirteen, fourteen, fifteen, sixteen,
 seventeen, eighteen, nineteen, twenty, thirty, forty, fifty, sixty,
 seventy, eighty, ninety, hundred, thousand, million

Input

The input consists of several instances. Notes on input:

Negative numbers will be preceded by the word negative.

The word "hundred" is not used when "thousand" could be. For example, 1500 is written "one thousand five hundred", not "fifteen hundred".

The input is terminated by an empty line.

Output

The answers are expected to be on separate lines with a newline after each.

Sample Input

six
negative seven hundred twenty nine
one million one hundred one
eight hundred fourteen thousand twenty two

Sample Output

6
-729
1000101
814022

Submit

Source: Czech Technical University Open 2004