#226. Rook move
Print `Yes` if a chess rook can go from (x1, y1) to (x2, y2) in one move, otherwise `No` (the squares are different).
### Input
One line: x1 y1 x2 y2 (1-8).
### Output
`Yes` or `No`.
Examples
Input
3 4 7 4
Output
Yes
Input
1 6 4 5
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.