#556. How many 'e' letters?
You are given a text made of small Latin letters. Count how many times the letter `e` appears.
### Input
One line of text.
### Output
A number.
Examples
Input
flower forest input kayak
Output
2
Input
variable window game winter keyboard
Output
4
💡 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.