#include <bits/stdc++.h>
#include <time.h>

#define lsb(x) (x & (-x))

using ull = unsigned long long;
using ll = long long;

using namespace std;

int main() {
#ifdef LOCAL
    ifstream cin("test.in");
    ofstream cout("test.out");
#endif
    int x, y;
    cin >> x >> y;
    if (x == 0) {
        cout << "1 1\n.\n";
    }
    else {
        if (x == y || (2 * y) % x != 0) {
            cout << "-1 -1\n";
        }
        else {
            int t = 2 * y / x;
            cout << "1 " << t << '\n';
            cout << "##";
            for (int i = 2; i < t; i++) {
                cout << '.';
            }
            cout << '\n';
        }
    }
    return 0;
}