#include <iostream>
#include <cstring>
#include <algorithm>
using namespace std;

int n, m;
string s;

int main() {

    cin >> n >> m;

    for (int i = 0; i < 100; i ++ )  s += "2025";

    for (int i = 0; i < n; i ++ )   cout << s.substr(i, m) << endl;

    return 0;
}