PROGRAMMING:Calculate the sum of the square matrix and create a new square matrix
Input a positive integer n (1 ≤ n), and then read the n-order matrix A and B by line, generate and output the n-order matrix C. the elements in C are the sum of the corresponding elements of a and B
c[i][j]=a[i][j]+b[i][j] i,j=0,1,2...n-1（1<=c[i]<=99)
###Input format:
Enter n on the first line
Enter the matrix A in the second line
Enter square B in the first line
###Output format:
Output C matrix
###Input example:
Here is a set of inputs. For example:
```in
three
one two three four five six seven eight nine
2 3 4 5 6 7 8 9 1
```
###Output example:
The corresponding output is given here. For example:
```out
3 5 7
9 11 13
15 17 10
```
answer：If there is no answer, please comment
c[i][j]=a[i][j]+b[i][j] i,j=0,1,2...n-1（1<=c[i]<=99)
###Input format:
Enter n on the first line
Enter the matrix A in the second line
Enter square B in the first line
###Output format:
Output C matrix
###Input example:
Here is a set of inputs. For example:
```in
three
one two three four five six seven eight nine
2 3 4 5 6 7 8 9 1
```
###Output example:
The corresponding output is given here. For example:
```out
3 5 7
9 11 13
15 17 10
```
answer：If there is no answer, please comment