Module: (Python) Conditional loop statement - WHILE


Problem

19 /21


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