Elements larger than previous
                                         
                                         
                            
                             
                                         
                                          Problem 
                         
                                 The sequence consists of natural numbers and ends with the number 0. Determine how many elements of this sequence are greater than the previous element.
Input 
A sequence of natural numbers is entered (one number per line), ending with the number 0 (the number 0 itself is not included in the sequence, but serves as a sign of its end).
Imprint 
Print the answer to the problem.
Examples
| # | 
Input | 
Output | 
| 1 | 
2 
3 
5 
0 | 
2 | 
Запрещенные операторы: list; [