#751. Multiply a matrix by 2
Multiply every element of the matrix by 2 and print it.
### Input
The first line has n m (the number of rows and columns), each of the next n lines has m integers.
### Output
n lines.
Examples
Input
2 2 8 1 -5 4
Output
16 2 -10 8
Input
2 3 -7 6 -1 -2 -6 -7
Output
-14 12 -2 -4 -12 -14
💡 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.