#734. Matrix: Sum of each column
You are given a matrix of integers. **Sum of each column**.
### Input
The first line has n m (the number of rows and columns), each of the next n lines has m integers.
### Output
The answer.
Examples
Input
2 2 -1 -1 -7 4
Output
-8 3
Input
4 2 9 -2 -1 -1 -2 8 -5 -9
Output
1 -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.