#320. Students with 50+ points
The first line has n, the next line has the scores (0-100) of n students. How many students have 50 points or more?
### Input
n and n numbers.
### Output
One integer.
Examples
Input
3 52 15 17
Output
1
Input
7 26 85 38 29 41 55 16
Output
2
💡 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.