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: fourzerooneseveneightfourzerofourfouronezerozero

Output: 401784044100


Input: Consider Input: sevennineeighteighteightzerozeroeighteight

Output: 798880088


Input: Consider Input: seveneightthreeninethreezero


Output: 783930