#include <iostream>
#include <ctime>
#include <vector>

using namespace std;

int main() {
    freopen("input.txt.txt", "r", stdin);
    freopen("output.txt", "w", stdout);
    int n, m;
    cin >> n >> m;
    bool flag = true;
    vector <int> vec(n, 0);
    int **a = new int *[n];
    srand(time(0));
    for(int i = 0; i < n; ++i)
        a[i] = new int [m];
    for(int  i = 0; i < n; ++i) {
        for(int j = 0; j < m; j++) {
            a[i][j] = rand() % 21;
            cout << a[i][j] << " ";
        }
        cout << endl;
    }
    cout << "\n\n\n\n\n";
    for (int i = 0; i < n; i++) {
        flag = true;
        for (int j = 0; j < m; j++)
            if (a[i][j])
                cout << a[i][j] << " ";
            else {
                flag = false;
                while (j < m) {
                    cout << a[i][j] << " ";
                    j++;
                }
                cout << endl;
            }
            if(flag) {
                cout << endl;
                for(auto x : vec)
                    cout << x << " ";
                cout << endl;
            }
    }
}