#include <iostream>

using namespace std;

int main() {


int myArray[4][4], index1, index2;


for (index1 = 0;index1 < 4; index1++)
  for (index2 = 0;index2 < 4; index2++)
    myArray[index1][index2] = index2;


for (index1 = 0;index1 < 4; index1++)
{
  for (index2 = 0;index2 < 4; index2++)
    cout << myArray[index1][index2] << " ";
  cout << endl;
}

return 0; }