#include <iostream>

#include <cstdlib>

using namespace std;

int main()

{

int n, m;

 cout << "Rows: "; cin >> n;

 cout << "Columns: "; cin >> m;

   int a[n][m];

int all_sum = 0;

float average;

 for(int i = 0; i < n; i++){

  for(int j = 0; j < m; j++){

   cout << "Element[" << i << "][" << j << "] = "; cin >> a[i][j];

  }

 }

 cout << "\nShow massiv" << endl;

 for(int i = 0; i < n; i++){

  for(int j = 0; j < m; j++){

   cout << a[i][j] << " ";

  }

  cout << endl;

 }

 for(int i = 0; i < n; i++){

  for(int j = 0; j < m; j++){

   all_sum += a[i][j];

  }

  average = all_sum / m;

  cout << "Average " << i+1 << " row: " << average << endl;

 }

system("pause");

}