#include <iostream>
using namespace std;

int main()
{
    int size = 4;
    int arr[size][size];
    for (int k = 0; k < size; k++) //for first half
    {
        int i = k;
        int j = 0;
        while (i >= 0)
        {
            int value;
            cin >> value;
            cout << i << " " << j << endl;
            arr[i][j] = value;
            i = i - 1;
            j = j + 1;
        }
    }
    for (int m = 0; m < size - 1; m++) //for second half
    {
        int i = size - 1;
        int j = m + 1;
        while (j <= size - 1)
        {
            int value;
            cin >> value;
            cout << i << " " << j << endl;
            arr[i][j] = value;
            i = i - 1;
            j = j + 1;
        }
    }

    for (int i = 0; i < size; i++)
    {
        for (int j = 0; j < size; j++)
        {
            cout << arr[i][j] << " ";
        }
        cout << endl;
    }
}