#include <iostream>

using namespace std;

const int SIZE = 5;

int
main()
{
    int i, j, k, n;
    int A[SIZE][SIZE];
    int B[SIZE][SIZE];
    int C[SIZE][SIZE];

    // Initialise all entries to zero
    for (i = 0; i < SIZE; i++) {
	for (j = 0; j < SIZE; j++) {
	    A[i][j] = 0;
	    B[i][j] = 0;
	}
    }

    // A and B are square matrices, read in the number of rows and columns
    cout << "How many rows and columns in A and B?" << endl;
    cout << "(Note: maximum " << SIZE << ")" << endl;
    cin >> n;

    // Read values for the elements of A (row by row):
    for (i = 0; i < n; i++) {
	cout << "A Row " << i << " (enter " << n << " values)" << endl;
	for (j = 0; j < n; j++) {
	    cin>>A[i][j];
	}
    }

    // Read values for the elements of B (row by row):
    for (i = 0; i < n; i++) {
	cout << "B Row " << i << " (enter " << n << " values)" << endl;
	for (j = 0; j < n; j++) {
	    cin >> B[i][j];
	}
    }

    // Calculate the sum of the matrices A and B
    cout << "The sum of A and B is:" << endl;
    for (i = 0; i < n; i++) {
	for (j = 0; j < n; j++) {
	    C[i][j] = A[i][j] + B[i][j];
	    cout << C[i][j] << " ";
	}
	cout << endl;
    }

    return (0);
}