#747. Matrix: Set the main diagonal to 0
You are given a matrix of integers. **Set the main diagonal to 0**.
### Input
The first line has n n, each of the next n lines has n integers (a square matrix).
### Output
The answer.
Examples
Input
5 5 3 -4 -6 -8 9 -3 0 4 9 6 -6 1 2 -6 -7 6 8 1 -9 -3 -5 -2 -7 -8 -5
Output
0 -4 -6 -8 9 -3 0 4 9 6 -6 1 0 -6 -7 6 8 1 0 -3 -5 -2 -7 -8 0
Input
2 2 5 8 2 -6
Output
0 8 2 0
💡 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.