#include <iostream>

using namespace std;

int main() {
    int n, m, value = 1;
    cin >> n >> m;
    for (int i = 1; i <= n; i++) {
        //1
        for (int r = 1; r <= m; r++) {
            cout << ((i % 2 == 1) ? " *" : " -");
        }
        //2
        for (int r = 1; r <= m; r++) {
            if(i % 2 == 1)
                cout << " *";
            else
                cout << " -";
        }
        //3
        if (i % 2 == 1) {
            for (int r = 1; r <= m; r++) {
                cout << " *";
            }
        }
        else {
            for (int r = 1; r <= m; r++) {
                cout << " -";
            }
        }
        cout << endl;
    }

    return 0;
}