#139. Average of 4 numbers
You get 4 integers. Print their average with 2 decimal places (for example `3.50`).
### Input
4 lines, one integer on each (0 ≤ value ≤ 100).
### Output
The average with 2 decimal places. Hint: `print(f"{x:.2f}")`
Examples
Input
80 1 73 29
Output
45.75
Input
10 68 30 63
Output
42.75
💡 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.