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

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

inline double _rand(double a, double b)
{
    return a + (rand() % 10001) / 10000.0 * (b - a);
}

matrix createMatrix(int m, int n)
{
    srand(time(NULL));
    matrix mat(m, std::vector<double>(n));
    double fi = _rand(0, 1.) * 2*3.141592654;
    int limit = _rand(0.6, 1.) * sqrt(m*n), br(limit);
    for (int i(0); i < m; i++)
        for (int j(0); j < n; j++)
        {
            double f, A(rand() % 100);
            if (rand() % int(pow(m*n, 0.2)) == 0) A = 20*pow(1.5, _rand(1., 1.5));
            if (rand() % 7 == 0) A = 300*pow(1.5, _rand(1., 13.));
            mat[i][j] = int(A*(1+pow(sin(2*3.141592654*f * (i*n+j) + fi), 25)));
            br++;
            if (br == limit)
            {
                br = 0;
                f = sqrt(m*n) * _rand(0.3, 1.5);
                limit = _rand(0.6, 1.) * sqrt(m*n);
            }
        }
    return mat;
}

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;
}