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: eightsixeightoneeightzerotwofourthree

Output: 868180243


Input: Consider Input: twooneninefoureighttwosixfivesixsixone

Output: 21948265661


Input: Consider Input: sixfivesixthreeninefouronenine


Output: 65639419