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: fourtwosixninesixeightthreeonefive

Output: 426968315


Input: Consider Input: fivefivefourfiveninetwoseventhreesixtwo

Output: 5545927362


Input: Consider Input: zerofournineeighttwoone


Output: 049821