#include <iostream>

using namespace std;

//prototypes
void readMatrix(double ar[][2], int rows, int cols);
void matrixAdd(double a[][2], double b[][2], double result[][2], int rows, int cols);
void printMatrix(double ar[][2], int rows, int cols);

int main(void) {
  double a[2][2];  //our first matrix
  double b[2][2];  //our second matrix
  double c[2][2];  //the result matrix
  
  //get the matrices
  cout << "Enter matrix A" << endl;
  readMatrix(a, 2, 2);
  cout << "Enter matrix B" << endl;
  readMatrix(b, 2, 2);

  //add the matrices
  matrixAdd(a, b, c, 2, 2);

  //show the result
  cout << "A+B=" << endl;
  printMatrix(c, 2, 2);

  return 0;
}


void
readMatrix(double ar[][2], int rows, int cols) {
  //loop over the 2d array
  for(int i=0; i<rows; i++) {
    for(int j=0; j<cols; j++) {
      cin >> ar[i][j];
    }
  }
}


void
matrixAdd(double a[][2], double b[][2], double result[][2], int rows, int cols) {
  //loop over the 2d array
  for(int i=0; i<rows; i++) {
    for(int j=0; j<cols; j++) {
      result[i][j] = a[i][j] + b[i][j];
    }
  }
}

void
printMatrix(double ar[][2], int rows, int cols) {
  //loop over the 2d array
  for(int i=0; i<rows; i++) {
    for(int j=0; j<cols; j++) {
      cout << ar[i][j] << ' ';
    }
    cout << endl;  //end the row
  }
}