import std.stdio, std.string, std.conv;
import std.range, std.algorithm, std.array, std.typecons, std.container;
import std.math, std.numeric, core.bitop;

enum inf3 = 1_001_001_001;
enum inf6 = 1_001_001_001_001_001_001L;
enum mod = 1_000_000_007L;


void main() {
    int a, b;
    scan(a, b);

    int h = 100, w = 100;
    auto ban = new char[][](h, w);
    foreach (i ; 0 .. h) {
        foreach (j ; 0 .. w) {
            if (i < h / 2) {
                ban[i][j] = '#';
            }
            else {
                ban[i][j] = '.';
            }
        }
    }

    a--, b--;

    for (int i = 0; i < 50; i += 2) {
        if (a == 0) break;
        for (int j = 0; j < 100; j += 2) {
            if (a == 0) break;
            ban[i][j] = '.';
            a--;
        }
    }

    for (int i = 51; i < 100; i += 2) {
        if (b == 0) break;
        for (int j = 0; j < 100; j += 2) {
            if (b == 0) break;
            ban[i][j] = '#';
            b--;
        }
    }

    writeln(h, " ", w);
    writefln("%-(%s\n%)", ban);
}










void scan(T...)(ref T args) {
    import std.stdio : readln;
    import std.algorithm : splitter;
    import std.conv : to;
    import std.range.primitives;

    auto line = readln().splitter();
    foreach (ref arg; args) {
        arg = line.front.to!(typeof(arg));
        line.popFront();
    }
    assert(line.empty);
}

void fillAll(R, T)(ref R arr, T value) {
    static if (is(typeof(arr[] = value))) {
        arr[] = value;
    }
    else {
        foreach (ref e; arr) {
            fillAll(e, value);
        }
    }
}
