In this task you will be given a string that only contains single digit numbers spelled out. The input string will not contain spaces between the different numbers. Your task is to return the number that the string spells out. The string will spell out each digit of the number for example '1726' will be 'oneseventwosix' instead of 'one thousand seven hundred six'.

Input: Consider Input: sixeightzerofoureightonethreesevenfoureightsix

Output: 68048137486


Input: Consider Input: twozerosixninefive

Output: 20695


Input: Consider Input: fourfourzerofouronethreenine


Output: 4404139