Problems
Sum of matrices
Sum of matrices
Given two matrices $A$ and $B$. Find their sum $C = A + B$.
\InputFile
The first line contains the size of matrices $n$ and $m~(1 \le n, m \le 100)$. Each of the next $n$ lines contains $m$ integers and describe matrix $A$. Then empty line is given, after which the description of matrix $B$ is given in the same format.
\OutputFile
Print the matrix $С$: $n$ rows, each with $m$ integers.
Input example #1
3 4 3 4 5 6 1 2 3 4 7 6 5 4 0 0 -3 -2 -1 3 4 5 5 6 1 2
Output example #1
3 4 2 4 0 5 7 9 12 12 6 6