#433. Read until 0: count
Numbers come one on each line. The input ends when the number 0 comes (the 0 is not counted). Find the **count** of the numbers.
### Input
Several integers, the last one is 0. There is at least one number before the 0.
### Output
The answer.
Examples
Input
44 -24 63 -20 57 58 81 57 87 0
Output
9
Input
75 -8 21 -9 47 -19 48 9 73 0
Output
9
💡 You can solve it with Python, JavaScript or blocks. Read the input line by line with input(). Don't print a question (like input("Number: ")). Print exactly what the output asks for, nothing more.