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: fouroneninefivetwo

Output: 41952


Input: Consider Input: ninenineonesevenfiveeightzerofiveseven

Output: 991758057


Input: Consider Input: fourfourzerofiveonethreesixninethree


Output: 440513693