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

typedef std::vector<std::vector<double>> matrix;

matrix _createMatrix(int rows, int columns)
{
    return matrix(rows, std::vector<double>(columns));
}

matrix createMatrix(int rows, int columns)
{
    srand(time(NULL));
    matrix m(_createMatrix(rows, columns));
    for (int y(0); y < rows; y++)
        for (int x(0); x < columns; x++)
            if (rand() % 10 == 2 && x >= columns / 6 && x <= columns % 6 && y >= rows / 6 && y <= rows % 6)
                m[y][x] = rand() % 100 + (76 * (x+y));
            else if (x >= columns / 3 && x <= columns % 3 && y >= rows / 3 && y <= rows % 3)
                m[y][x] = rand() % 100 + (10 * (x+y));
            else if (x >= columns / 2 && x <= columns % 2 && y >= rows / 2 && y <= rows % 2)
                m[y][x] = rand() % 50 + (2 * (x+y)) / double(0*rand() % 10+1);
            else
                m[y][x] = rand() % 20 + (x+y)  / double(0*rand() % 10+1);
    return m;
}

int main()
{
    int a, b;
    std::cin >> a >> b;
    std::cout<<"START\n";
    for (std::vector<double> red : createMatrix(a, b))
    {
        for (double el : red)
            std::cout << el << " ";
        std::cout << "\n";
    }
    std::cout<<"END";
    return 0;
}