#740. Matrix: Is it symmetric? (`Yes`/`No`)
You are given a matrix of integers. **Is it symmetric? (`Yes`/`No`)**.
### Input
The first line has n n, each of the next n lines has n integers (a square matrix).
### Output
The answer.
Examples
Input
2 2 2 1 1 0
Output
Yes
Input
2 2 1 2 3 4
Output
No
💡 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.