// description
#include <iostream>
#include <string>
void inputArrayString(int row, int col , std::string ar[row][col]);
int main()
{
    using namespace std;
    const int Row = 3;
    const int Col = 4;

    string list2[Row][Col];
    inputArrayString(Row, Col, list2);
    return 0;
}
void inputArrayString(int row, int col , std::string ar[row][col])
{
    for (int r = 0; r < row; ++r)
    {
        for (int c = 0; c < col; ++c)
            getline(std::cin, ar[r][c]);
        std::cout << std::endl;
    }
}

int main(int argc, char* argv[])
{
        int stroch;
        int stolb;
        cin>>stroch;
        cin>>stolb;
        int **mass = new int*[stroch];
        for(int i = 0;i<stroch;i++){
                mass[i]= new int[stolb];
        }
        for(int i = 0; i<stroch;i++){
                for(int j = 0; j<stolb;j++){
                        mass[i][j]  = rand()%21 - 10;
                }
        }
        for(int i = 0; i<stroch;i++){
                for(int j = 0; j<stolb;j++){
                        cout<<mass[i][j]<<"t";
                }
                cout<<"n";
        }
        for(int i=0; i<stroch;i++){
                delete[] mass[i];
        }
        delete[] mass;
        getch();
}